牛津译林版（2019）必修第一册Unit 2 Let's talk teens Section B Grammar and Usage教学设计
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Unit 2 Let's talk teens
Grammar and Usage教学设计
科目：英语 课题：Grammar and Usage 课时：1课时
教学目标与核心素养：
知识目标：本课以高中生生活与学习为主题，讲述了高中学生成长过程中出现的身体和心理的变化，与父母相处时出现的常见问题，同时对学生如何正确看待自我成长，如何恰当处理与父母之间的问题给予有效的建议，以期学生顺利度过高中生活并处理好与父母的关系。
能力目标：在语境中学习理解简单句、并列句和主从复合句的用法。
情感目标：获取更多主题语境的信息，加深对主题意义的理解。
教学重难点
教学重点：简单句、并列句和主从复合句的构成规律及具体用法的理解。
教学难点：在日常交际中能够灵活地使用简单句、并列句和主从复合句描述人和事件。
课前准备：多媒体，黑板，粉笔
教学过程：
一、Pre-reading
1. Greeting
2. Leading-in
教师活动：教师引导学生完成课本活动A Exploring the rule。
(1) We know that being a teenager is sometimes difficult. (2) So, we have designed TeenHealthWeb to help you along the journey to adulthood. (3) Our website has many articles about teenagers' physical and mental health. (4) You can look through these articles to find advice on your problem. (5) It may not have been addressed before, but don't worry. (6) You can visit the “teen health" forum on our website instead. (7) We are proud to say this forum is the heart of our website. (8) Users are encouraged to post their problems, and they will get advice from our health experts and other forum users. (9) Before you write your post, however, take a look at other users' posts first. (10) It is likely that the matter has already been discussed on our forum. (11) If your problem is a new one, write a post about it. (12) Our health experts will be glad to tell you what steps you can take to improve your situation. (13) There is a lot to see, so take some time to look around our website!
Simple sentences (2) (3) (4) (6)
Compound sentences (5) (8) (13)
Complex sentences (1) (7) (9) (10) (11) (12)
Working out the rules
A simple sentence is made up of one independent clause which has one subject-verb combination.
A compound sentence contains two or more main clauses. We use linking words such as (1) and, or, (2) but, so or for to link the clauses.
A complex sentence contains one main clause and at least one subordinate clause. A subordinate clause can be the subject, predicative, object, attributive or adverbial of the sentence.
学生活动：学生根据活动总结规律。
活动目的：通过活动以及总结，学生大致了解本堂课所学语法知识。
2、 While-class
1. 教师活动：介绍简单句、并列句和复合句，同时根据具体情况让学生通过造句理解句子类型。
英语的句子可以分为简单句、并列句和复合句。并列句和复合句又都是由简单句组成。
一、简单句
简单句的五个基本句型：
主句＋系动词＋表语。
My mother is a teacher.
主语＋不及物动词。
Time flies.
主语＋及物动词＋宾语。
We like English.
主语＋及物动词＋间接宾语＋直接宾语。
He asked me a question.
主语＋及物动词＋宾语＋宾语补足语。
I found the book interesting.
1.主语＋系动词＋表语
这一句型说明主语是什么或怎么样；谓语动词需用系动词；表语多为形容词，也可为名词、介词短语、不定式及分词等。
常见的系动词有：be, become, look, seem, appear, get, feel, grow, turn, remain, come, fall, hold, keep, smell, sound, taste等。如：
This machine is in good condition.
这台机器的状况良好。
The garden smells pleasant.
这座花园香气宜人。
Her ideal has come true.
她的理想实现了。
2.主语＋不及物动词
这一句型中的谓语动词是不及物动词，没有直接宾语也没有被动语态，但常带有状语。如：
The water is boiling.
水开了。
The train will leave soon.
火车马上就要开了。
The gas has given out.
煤气用完了。
I often go swimming in summer.
我夏天常去游泳。
Leaves fall when the autumn wind blows.
秋风起，树叶落。
3.主语＋及物动词＋宾语
这一句型中，当一个动词（包括单个动词和动词短语）作及物动词用时，它必须要有自己的宾语（除非是宾语在上下文里很明确地提到过，为避免不必要的重复，才会省去），否则会视为“句子不完整”。如：
He has a sister.
他有一个妹妹。
I like taking risks.
我喜欢冒险。
He speaks English very fluently.
他英语说得非常流利。
4.主语＋及物动词＋间接宾语＋直接宾语
在这一句型中谓语动词必须跟有两个宾语才能表达完整的意思。这个宾语一个是动作的直接承受者，另一个是动作的间接承受者。
通常情况下间接宾语在前，直接宾语在后；有时也可把间接宾语置于直接宾语后，此时间接宾语前需加介词for或to。间接宾语后置与 for连用的动词有buy, make, cook, get, choose, sing, find等。
间接宾语后置与to连用的动词有 give, lend, teach, take, return, send, pass等。如：
She brought me a shirt.
她给我带来一件衬衣。
Pass him the dictionary, please.
请将词典递给他。
He showed me how to run the machine.
他演示给我看怎样操作这台机器。
I gave her a book. =I gave a book to her.
我给了她一本书。
He bought me a pen. = He bought a pen for me.
他给我买了一支钢笔。
5.主语＋及物动词＋宾语＋宾语补足语
这一句型中动词虽然是及物动词，但是只跟一个宾语还不能表达完整的意思，必须加上一个补充成分来说明宾语，才能使意思完整。宾语补足语用来补充、说明宾语的情况。
宾语补语可以由名词、动词不定式、形容词、副词、分词和介词短语等充当。
常带复合宾语结构的及物动词有：elect, feel, find, get, have, hear, imagine, keep, make, notice, see, let, smell, start, watch, appoint, believe, call, catch, allow, ask, cause, consider, expect, know, tell, think, want, wish, listen to, look at等。如：
We elected him our monitor.
我们选他当班长。
The news made me happy.
那消息使我很高兴。
We caught him stealing a watch from the counter.
我们当场抓住他从柜台里偷手表。
【注意】
简单句只有一个主谓关系。句子可能有两个或更多的主语，也可能有两个或更多的谓语，但是句子中的主谓关系只有一个。如：
China and Chinese people are incredibly progressing in many aspects.
中国和中国人民在很多方面以难以置信的速度进步。
Computers mean a lot to human beings and are paid more and more attention to by people.
计算机对人类社会意味着很多东西，并越来越受到人们的重视。
二、并列句
并列句由两个或两个以上并列而又独立的简单句构成。在并列句中，这些简单句常由并列连词（短语）连在一起。
1.表转折、对比关系
常见的表示转折关系的并列连词包括but，yet，while（然而）等。其中，while连接并列句时，两分句之间是对比关系。
It often rains in the south, while it seldom rains in the north.
在南方经常下雨，然而在北方很少下雨。
2.表并列、递进或顾
常用的表示平行或对等关系的并列连词或短语有 and, both. . .and. . . , not only . . . but (also), neither. . .nor等。
Not only did he speak more correctly, but (also) he spoke more easily.
他不仅说得更正确，而且说得更轻松。
3.表选择关系
常用的表示选择关系的并列连词或短语有or, otherwise, or else, either...or ... , not ... but ... 等。
You must tell me the truth, or you will be punished.
你必须说实话，否则你将会受到惩罚。
4.表因果关系
so，for（表“由于”，一般不放在句首）
He must have been caught in the rain, for he is wet all over.
他一定淋雨了，因为他全身都湿了。
5.特殊并列连词及并列句
（1）when可用于并列连词，意为“这时，那时”，相当于and at this/that time.常用于下列句式：
①be about to do sth when. . . “正要做某事，这时突然……”
②be on the point of doing sth when. . . “正要做某事，这时突然……”
③be doing sth when. . . “正在做某事，这时突然……”
④had done sth when. . . “刚做了某事，这时突然……”
He was about to go to school when a strong wind began to blow.
他正要去学，这时突然刮起了大风。
（2）“祈使句＋and/or+陈述句”，有时祈使句部分也可用名词短语在“祈使句+and/or+主谓结构”的结构中，祈使句表示一个条件，and后的句子表示结果。在“名词短语＋and＋主谓结构”结构中，名词短语可能表示条件，也可能表示时间，and后的句子表示结果。例如：
Give me a chance, and I'll give you a wonderful surprise.
给我一个机会，我会还你一个奇迹。
Climb to the top of the mountain, and you'll get a good view of the city.
爬到山顶，你就能看到这座城市的美景。
Another five minutes, and I'll finish the composition.
再过五分钟，我就把作文写完。
A few minutes and they went away.
几分钟后他们就走了。
三、复合句
1.复合句定义
包含一个主句和一个或几个从句的句子叫复合句，从句由从属连词或关系代词引导。
主句是一个完整的句子，它可以独立存在。
从句是一个不完整的句子，它必须和一个主句连用，不能独立存在。
2.复合句类型
在复合句中，主要包含以下类型从句：
（1）主语从句
That the earth goes around the sun is known to us all.
众所周知，地球围着太阳转。
It is decided that the meeting has been put off until next Monday.
会议被推迟到下周一已经定下来了。
It isn't likely that I should accept such an offer as that.
我不可能接受像那样的帮助。
Whether we can have clean drinking water lies in what effective measures will be taken by the government about water pollution.
我们能否有干净的饮用水取决于政府将采取什么样的有效措施处理水污染问题。
What worries us most is who let out the secret.
最令我们担忧的是谁泄露了秘密。
（2）宾语从句
Nobody knew whether he could pass the exam.
没人知道他是否会通过考试。
I truly believe that beauty comes from within.
我确信美来自内在。
We must find out when Mike is coming, so we can book a room for him.
我们必须弄清楚迈克什么时候来，以便我们可以为他预订房间。
（3）表语从句
This is what my father has taught me-to always face difficulties and hope for the best.
这就是父亲教我的－总是要面对困难，并且抱最大的希望。
Go and get your coat. It's where you left it.
去把你的大衣拿来。就在你原来放的地方。
The question is whether they will be able to help us with our math.
问题是他们能否帮助我们学习数学。
（4）同位语从句
She asked a question why there was a delay.
她问了发生延误的原因。
I made a promise to myself that this year, my first year in high school, would be different.
我对自己承诺：今年，我高中的第一年，会有所不同。
Evidence has been found through years of study that children's early sleeping problems are likely to continue when they grow up.
通过多年的研究发现：儿童早期的睡眠问题很有可能会随着他们的成长继续存在。
（5）状语从句
It was not until he told me about it again that I had any idea of it.
直到他又告诉我一遍我才明白。
As long as you don't lose heart, you will succeed.
只要你不灰心，你就会成功。
Although/Though he may be troubled, he always presents a calm smiling face.
尽管他可能会遇到麻烦，但他总是露出平静的微笑。
I can't go with you, as I have a lot of work to do.
我不能和你一起去，因为我有很多工作要做。
He earned so little money that he couldn't support his family.
他挣这么少的钱，以至于他养不起家。
（6）定语从句
The time when I first met Mr White was a very difficult period of my life.
我第一次遇见怀特先生时是我生命中一个非常艰难的时期。
My house, which I bought last year, has got a lovely garden.
我去年买的那栋房子有个漂亮的花园。
The old town has narrow streets and small houses that are built close to each other.
这个古老的小镇有狭窄的街道和建造得彼此靠得很近的小房子。
The books on the desk, whose covers are shiny, are prizes for us.
桌上那些封面闪闪发亮的书是我们的奖品。
I walked up to the top of the hill with my friend, where we enjoyed a splendid view of the lake.
我和朋友一起登上了山顶，在山顶上我们欣赏到了湖光美景。
At last he got the position (that/which) he had been dreaming of.
他最终得到了他梦寐以求的那个职位。
Mother is preparing lunch, during which time children are playing outside.
妈妈在准备午餐，在此期间，孩子们在外面玩。
三、After-class
1. 学生活动：学生完成P21活动B1。
(1) Your password should be more than eight letters or numbers. This makes it difficult to guess.
→Your password should be more than eight letters or numbers,for this makes it difficult to guess. (compound
sentence)
→Your password should be more than eight letters or numbers, because this makes it difficult to guess. (compound
sentence)
→Your password should be more than eight letters or numbers,which makes it difficult to guess. (complex sentence)
(2) Posts should not give out personal information. They should not include advertisements.
→Posts should not give out personal information and they should not include advertisements. (compound
sentence)
(3) Describe your problems clearly. Other people can understand them easily.
→Describe your problems clearly, and other people can understand them easily. (compound sentence)
(4) The experts will reply to you. They see your posts.
→The experts will reply to you,if/once/when they see your posts. (complex sentence)
(5) What do you think of our forum Let us know.
→Let us know what you think of our forum. (complex sentence)
教师活动：教师指导学生完成B2活动，并校对答案。
参考答案：(1) because (2) unless (3) why (4) that (5) but (6)If (7)how (8) and
活动目的：师生共同回顾文本的内容，帮助学生巩固所学的内容。在此基础上，学生通过小组活动讨论本堂课的一些难点并提出相关问题，以确定学生的掌握程度。
四、Summary
老师总结课堂语法的要点：
理解简单句、并列句和复合句的用法，学会在英语写作中灵活运用。
作业布置：
完成课后练习
让学生用今天所学的知识造句。
2
Grammar and Usage教学设计
科目：英语 课题：Grammar and Usage 课时：1课时
教学目标与核心素养：
知识目标：本课以高中生生活与学习为主题，讲述了高中学生成长过程中出现的身体和心理的变化，与父母相处时出现的常见问题，同时对学生如何正确看待自我成长，如何恰当处理与父母之间的问题给予有效的建议，以期学生顺利度过高中生活并处理好与父母的关系。
能力目标：在语境中学习理解简单句、并列句和主从复合句的用法。
情感目标：获取更多主题语境的信息，加深对主题意义的理解。
教学重难点
教学重点：简单句、并列句和主从复合句的构成规律及具体用法的理解。
教学难点：在日常交际中能够灵活地使用简单句、并列句和主从复合句描述人和事件。
课前准备：多媒体，黑板，粉笔
教学过程：
一、Pre-reading
1. Greeting
2. Leading-in
教师活动：教师引导学生完成课本活动A Exploring the rule。
(1) We know that being a teenager is sometimes difficult. (2) So, we have designed TeenHealthWeb to help you along the journey to adulthood. (3) Our website has many articles about teenagers' physical and mental health. (4) You can look through these articles to find advice on your problem. (5) It may not have been addressed before, but don't worry. (6) You can visit the “teen health" forum on our website instead. (7) We are proud to say this forum is the heart of our website. (8) Users are encouraged to post their problems, and they will get advice from our health experts and other forum users. (9) Before you write your post, however, take a look at other users' posts first. (10) It is likely that the matter has already been discussed on our forum. (11) If your problem is a new one, write a post about it. (12) Our health experts will be glad to tell you what steps you can take to improve your situation. (13) There is a lot to see, so take some time to look around our website!
Simple sentences (2) (3) (4) (6)
Compound sentences (5) (8) (13)
Complex sentences (1) (7) (9) (10) (11) (12)
Working out the rules
A simple sentence is made up of one independent clause which has one subject-verb combination.
A compound sentence contains two or more main clauses. We use linking words such as (1) and, or, (2) but, so or for to link the clauses.
A complex sentence contains one main clause and at least one subordinate clause. A subordinate clause can be the subject, predicative, object, attributive or adverbial of the sentence.
学生活动：学生根据活动总结规律。
活动目的：通过活动以及总结，学生大致了解本堂课所学语法知识。
2、 While-class
1. 教师活动：介绍简单句、并列句和复合句，同时根据具体情况让学生通过造句理解句子类型。
英语的句子可以分为简单句、并列句和复合句。并列句和复合句又都是由简单句组成。
一、简单句
简单句的五个基本句型：
主句＋系动词＋表语。
My mother is a teacher.
主语＋不及物动词。
Time flies.
主语＋及物动词＋宾语。
We like English.
主语＋及物动词＋间接宾语＋直接宾语。
He asked me a question.
主语＋及物动词＋宾语＋宾语补足语。
I found the book interesting.
1.主语＋系动词＋表语
这一句型说明主语是什么或怎么样；谓语动词需用系动词；表语多为形容词，也可为名词、介词短语、不定式及分词等。
常见的系动词有：be, become, look, seem, appear, get, feel, grow, turn, remain, come, fall, hold, keep, smell, sound, taste等。如：
This machine is in good condition.
这台机器的状况良好。
The garden smells pleasant.
这座花园香气宜人。
Her ideal has come true.
她的理想实现了。
2.主语＋不及物动词
这一句型中的谓语动词是不及物动词，没有直接宾语也没有被动语态，但常带有状语。如：
The water is boiling.
水开了。
The train will leave soon.
火车马上就要开了。
The gas has given out.
煤气用完了。
I often go swimming in summer.
我夏天常去游泳。
Leaves fall when the autumn wind blows.
秋风起，树叶落。
3.主语＋及物动词＋宾语
这一句型中，当一个动词（包括单个动词和动词短语）作及物动词用时，它必须要有自己的宾语（除非是宾语在上下文里很明确地提到过，为避免不必要的重复，才会省去），否则会视为“句子不完整”。如：
He has a sister.
他有一个妹妹。
I like taking risks.
我喜欢冒险。
He speaks English very fluently.
他英语说得非常流利。
4.主语＋及物动词＋间接宾语＋直接宾语
在这一句型中谓语动词必须跟有两个宾语才能表达完整的意思。这个宾语一个是动作的直接承受者，另一个是动作的间接承受者。
通常情况下间接宾语在前，直接宾语在后；有时也可把间接宾语置于直接宾语后，此时间接宾语前需加介词for或to。间接宾语后置与 for连用的动词有buy, make, cook, get, choose, sing, find等。
间接宾语后置与to连用的动词有 give, lend, teach, take, return, send, pass等。如：
She brought me a shirt.
她给我带来一件衬衣。
Pass him the dictionary, please.
请将词典递给他。
He showed me how to run the machine.
他演示给我看怎样操作这台机器。
I gave her a book. =I gave a book to her.
我给了她一本书。
He bought me a pen. = He bought a pen for me.
他给我买了一支钢笔。
5.主语＋及物动词＋宾语＋宾语补足语
这一句型中动词虽然是及物动词，但是只跟一个宾语还不能表达完整的意思，必须加上一个补充成分来说明宾语，才能使意思完整。宾语补足语用来补充、说明宾语的情况。
宾语补语可以由名词、动词不定式、形容词、副词、分词和介词短语等充当。
常带复合宾语结构的及物动词有：elect, feel, find, get, have, hear, imagine, keep, make, notice, see, let, smell, start, watch, appoint, believe, call, catch, allow, ask, cause, consider, expect, know, tell, think, want, wish, listen to, look at等。如：
We elected him our monitor.
我们选他当班长。
The news made me happy.
那消息使我很高兴。
We caught him stealing a watch from the counter.
我们当场抓住他从柜台里偷手表。
【注意】
简单句只有一个主谓关系。句子可能有两个或更多的主语，也可能有两个或更多的谓语，但是句子中的主谓关系只有一个。如：
China and Chinese people are incredibly progressing in many aspects.
中国和中国人民在很多方面以难以置信的速度进步。
Computers mean a lot to human beings and are paid more and more attention to by people.
计算机对人类社会意味着很多东西，并越来越受到人们的重视。
二、并列句
并列句由两个或两个以上并列而又独立的简单句构成。在并列句中，这些简单句常由并列连词（短语）连在一起。
1.表转折、对比关系
常见的表示转折关系的并列连词包括but，yet，while（然而）等。其中，while连接并列句时，两分句之间是对比关系。
It often rains in the south, while it seldom rains in the north.
在南方经常下雨，然而在北方很少下雨。
2.表并列、递进或顾
常用的表示平行或对等关系的并列连词或短语有 and, both. . .and. . . , not only . . . but (also), neither. . .nor等。
Not only did he speak more correctly, but (also) he spoke more easily.
他不仅说得更正确，而且说得更轻松。
3.表选择关系
常用的表示选择关系的并列连词或短语有or, otherwise, or else, either...or ... , not ... but ... 等。
You must tell me the truth, or you will be punished.
你必须说实话，否则你将会受到惩罚。
4.表因果关系
so，for（表“由于”，一般不放在句首）
He must have been caught in the rain, for he is wet all over.
他一定淋雨了，因为他全身都湿了。
5.特殊并列连词及并列句
（1）when可用于并列连词，意为“这时，那时”，相当于and at this/that time.常用于下列句式：
①be about to do sth when. . . “正要做某事，这时突然……”
②be on the point of doing sth when. . . “正要做某事，这时突然……”
③be doing sth when. . . “正在做某事，这时突然……”
④had done sth when. . . “刚做了某事，这时突然……”
He was about to go to school when a strong wind began to blow.
他正要去学，这时突然刮起了大风。
（2）“祈使句＋and/or+陈述句”，有时祈使句部分也可用名词短语在“祈使句+and/or+主谓结构”的结构中，祈使句表示一个条件，and后的句子表示结果。在“名词短语＋and＋主谓结构”结构中，名词短语可能表示条件，也可能表示时间，and后的句子表示结果。例如：
Give me a chance, and I'll give you a wonderful surprise.
给我一个机会，我会还你一个奇迹。
Climb to the top of the mountain, and you'll get a good view of the city.
爬到山顶，你就能看到这座城市的美景。
Another five minutes, and I'll finish the composition.
再过五分钟，我就把作文写完。
A few minutes and they went away.
几分钟后他们就走了。
三、复合句
1.复合句定义
包含一个主句和一个或几个从句的句子叫复合句，从句由从属连词或关系代词引导。
主句是一个完整的句子，它可以独立存在。
从句是一个不完整的句子，它必须和一个主句连用，不能独立存在。
2.复合句类型
在复合句中，主要包含以下类型从句：
（1）主语从句
That the earth goes around the sun is known to us all.
众所周知，地球围着太阳转。
It is decided that the meeting has been put off until next Monday.
会议被推迟到下周一已经定下来了。
It isn't likely that I should accept such an offer as that.
我不可能接受像那样的帮助。
Whether we can have clean drinking water lies in what effective measures will be taken by the government about water pollution.
我们能否有干净的饮用水取决于政府将采取什么样的有效措施处理水污染问题。
What worries us most is who let out the secret.
最令我们担忧的是谁泄露了秘密。
（2）宾语从句
Nobody knew whether he could pass the exam.
没人知道他是否会通过考试。
I truly believe that beauty comes from within.
我确信美来自内在。
We must find out when Mike is coming, so we can book a room for him.
我们必须弄清楚迈克什么时候来，以便我们可以为他预订房间。
（3）表语从句
This is what my father has taught me-to always face difficulties and hope for the best.
这就是父亲教我的－总是要面对困难，并且抱最大的希望。
Go and get your coat. It's where you left it.
去把你的大衣拿来。就在你原来放的地方。
The question is whether they will be able to help us with our math.
问题是他们能否帮助我们学习数学。
（4）同位语从句
She asked a question why there was a delay.
她问了发生延误的原因。
I made a promise to myself that this year, my first year in high school, would be different.
我对自己承诺：今年，我高中的第一年，会有所不同。
Evidence has been found through years of study that children's early sleeping problems are likely to continue when they grow up.
通过多年的研究发现：儿童早期的睡眠问题很有可能会随着他们的成长继续存在。
（5）状语从句
It was not until he told me about it again that I had any idea of it.
直到他又告诉我一遍我才明白。
As long as you don't lose heart, you will succeed.
只要你不灰心，你就会成功。
Although/Though he may be troubled, he always presents a calm smiling face.
尽管他可能会遇到麻烦，但他总是露出平静的微笑。
I can't go with you, as I have a lot of work to do.
我不能和你一起去，因为我有很多工作要做。
He earned so little money that he couldn't support his family.
他挣这么少的钱，以至于他养不起家。
（6）定语从句
The time when I first met Mr White was a very difficult period of my life.
我第一次遇见怀特先生时是我生命中一个非常艰难的时期。
My house, which I bought last year, has got a lovely garden.
我去年买的那栋房子有个漂亮的花园。
The old town has narrow streets and small houses that are built close to each other.
这个古老的小镇有狭窄的街道和建造得彼此靠得很近的小房子。
The books on the desk, whose covers are shiny, are prizes for us.
桌上那些封面闪闪发亮的书是我们的奖品。
I walked up to the top of the hill with my friend, where we enjoyed a splendid view of the lake.
我和朋友一起登上了山顶，在山顶上我们欣赏到了湖光美景。
At last he got the position (that/which) he had been dreaming of.
他最终得到了他梦寐以求的那个职位。
Mother is preparing lunch, during which time children are playing outside.
妈妈在准备午餐，在此期间，孩子们在外面玩。
三、After-class
1. 学生活动：学生完成P21活动B1。
(1) Your password should be more than eight letters or numbers. This makes it difficult to guess.
→Your password should be more than eight letters or numbers,for this makes it difficult to guess. (compound
sentence)
→Your password should be more than eight letters or numbers, because this makes it difficult to guess. (compound
sentence)
→Your password should be more than eight letters or numbers,which makes it difficult to guess. (complex sentence)
(2) Posts should not give out personal information. They should not include advertisements.
→Posts should not give out personal information and they should not include advertisements. (compound
sentence)
(3) Describe your problems clearly. Other people can understand them easily.
→Describe your problems clearly, and other people can understand them easily. (compound sentence)
(4) The experts will reply to you. They see your posts.
→The experts will reply to you,if/once/when they see your posts. (complex sentence)
(5) What do you think of our forum Let us know.
→Let us know what you think of our forum. (complex sentence)
教师活动：教师指导学生完成B2活动，并校对答案。
参考答案：(1) because (2) unless (3) why (4) that (5) but (6)If (7)how (8) and
活动目的：师生共同回顾文本的内容，帮助学生巩固所学的内容。在此基础上，学生通过小组活动讨论本堂课的一些难点并提出相关问题，以确定学生的掌握程度。
四、Summary
老师总结课堂语法的要点：
理解简单句、并列句和复合句的用法，学会在英语写作中灵活运用。
作业布置：
完成课后练习
让学生用今天所学的知识造句。
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