人教版(2019)选择性必修第二册:Unit 1 Science and Scientists表语从句语法教案

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名称 人教版(2019)选择性必修第二册:Unit 1 Science and Scientists表语从句语法教案
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科目 英语
更新时间 2021-12-29 10:15:36

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Unit1 SCIENCE AND SCIENTISTS
Predicative Clause
科目:英语 课题:Learning about Language 课时:2课时
教学目标与核心素养:
To learn the structure of predicative clause.
To know how to judge the predicative clause.
To master the conjunctions of predicative clause.
教学重难点
教学重点:让学生更好地理解并掌握表语从句的用法以及注意事项。
教学难点:如何帮助学生掌握表语从句及连词的使用。
Teaching methods
Task-based Teaching Method.
Cooperative learning.
课前准备:多媒体,黑板,粉笔
教学过程:
Step1. Lead-in
1. Greeting
2.Discovery
The truth was that the water from the Broad Street pump had been infected by waste.
活动目的:导入新课。
Step2.Presentation
The definition of predicative clause.
The question is difficult.表语
The question is who will do it.表语从句
定义:在复合句中充当表语的从句叫表语从句。位于主句的系动词之后,对主语进行解释、说明,使主语的内容具体化。表语从句必须用陈述语序。
二.The structure of predicative clause.
主语 + 系动词 + 引导词 + 简单句
This is why he did it.
e.g.What I want to say is that I am tired.
3.Read and observe the predicative clause. Read PC aloud.
What I want to say is that I am tired.
He was sent to the hospital. That’s because he was ill.
It sounds as if somebody was knocking at the door.
The reason why he was late was that he missed the train this morning.
总结:系动词后的成分为表语。系动词后的从句为表语从句。
1.感官类系动词(sound,look,taste,smell,feel)
2.变化类系动词(get,fall,grow,turn,go,become…)
3.状态系动词 保持类系动词(keep,remain,stay)
似乎类系动词( seem, appear )
证明类系动词(prove, turn out)
Be动词(am, is, are, was, were),意为“是”
表语从句的引导词
Circle the conjuction of each predicative clause and underline the linking verbs.
Summary:
连词:that,whether,as,as if/though,because
连接代词:who,what,which,whom,whose...+ever
连接副词:when,where,how,why,...+ever
即学即练
This is __________I want.
My English is limited. This is _______I hate reading English books.
The village is _________ I used to spend my holiday.
He is my favorite singer. It is ________ I really love the way he behaves.
The trouble is __________ we are short of funds.
My problem is __________ coat is suitable for me.
I ‘ d like to start my own business—that’s ____ I want to do if I had the money.
What I want to know is _______will support me.
Step 3.Attention
表语从句和其他从句一样都用陈述语序:连词+主语+谓语(连主谓)。
e.g. One advantage of playing the guitar is that it can give you a great deal of pleasure.
表语从句的引导词没有if !!!
只用whether ,不用if的情况
whether to do
whether……or not
介词后的宾语从句。(介词后不用if)
从句:句首的主语从句,宾语从句,同位语从句。(if不能位于句首)
: 表语从句的虚拟语气:在表示“一坚持(insist)二命令(order, command)三建议(advise, suggest, propose) 四要求(ask, require, request, demand)”的名词 advice, suggestion, request, proposal,idea 等后面的表语从句中,谓语动词用“should + 动词原形”,should可省略
as if/as though 引导的表语从句常跟在look, seem, sound, feel等后面
语气: 若表示真实情况,用陈述语气。
若表示非真实情况,用虚拟语气。
若跟现在事实不符:过去式(be动词用were)
若跟过去事实不符:had done
若跟将来事实不符:would/could+动词原形
e.g. The little boy talks as if he knew everything in the world.
He felt as if he had met this young lady for a long somewhere.
即学即练
My suggestion is that we __________ (go) to hospital at once.
When a pencil is partly in a glass of water, it looks as if it _______(be) broken.
My proposal/idea is that we ___________(get) more people to attend the conference.
The little girl talked as if she ___________(be) a grown-up.
She looks as if she _________(be) ten years younger.
11.I do so many things for you. It is because I love you.
I am late this morning. That is because I left my bag on the subway.
Your speech is excellent. This is because you prepared it a lot.
The reason why he was late was that he missed the early bus.
The reason was that you don’t trust her.
He was ill. That’s why he was sent to the hospital.
即学即练
He is careless and irresponsible. That was _______ he was fired.
He was fired. That was _________ he is careless and irresponsible.
The reason _______ he was fired was ________ he was careless and irresponsible.
Step 4 Summary
表语从句的结构:主语 + 系动词 + 引导词 + 简单
2.词:that,whether,as,as if/though,because
连接代词:who,what,which,whom,whose...+ever
连接副词:when,where,how,why,...+ever
注意点:语序:连主谓
that引导表语从句时不能省略。
if 不引导表语从句
表语从句的虚拟语气
[浙江·月卷]
The truth is __________ we are lucky enough to have clean water whenever we want, but this is not the case for many people around the world.
What puzzles Lily’s friends is ______who always has so many crazy ideas.
Homework
完成优化指导相应的语法习题。