(共33张PPT)
Unit 4 Then and now
Part A 第一课时
发布本篇课文朗读任务
(任务-发布任务-自定义任务)
目录
Let’s try
01
Let’s talk
02
当堂检测
03
话题引入
01
Let’s try
课文学习
×
×
02
Let's talk
课文学习
课文学习
Grandpa: Wow, a library! There was no library in my old school.
Sarah: Tell us about your school, please.
Grandpa: There was only one small building on a hill.
Wu Yifan: Could you see stars at night
Grandpa: Yes, I liked the stars.
Sarah: Me too. One day I’m going to visit the moon.
Wu Yifan: The Americans took about five days to get
there in 1969.
Sarah: How do you know that
Wu Yifan: Easy, I looked it up on the Internet.
Grandpa: Ah! There were no computers or Internet in my time.
What was Grandpa’s school like
课文学习
What was your school like five years ago What is it like now Draw and talk.
知识精讲
知识点 1
Tell us about your school, please.
请给我们讲一讲您的学校吧。
句型结构及用法
句型结构为:“Tell + sb.+ about+其他.”用于请求别人讲述关于某方面的信息,是一个祈使句。about是介词,意为“关于”。在此句型中,后接想要知道的信息。
例句:Tell us about your daily life.
请给我们讲一讲你的日常生活吧。
考向
典型例题
Tell _______about that film,please.
A. they B. we C. them
C
知识精讲
祈使句表示请求、命令、叮嘱、邀请、劝告等,读的时候一般用降调。其否定形式是在谓语动词前加Don’t。
例句:Don’t be late for school.
上学不要迟到。
拓展
知识精讲
知识点 2
There was only one small building on a hill.
以前只有一栋很小的建筑物在山上。
例句:I’m 1.55 metres tall. 我身高1.55米。
there be结构的肯定句
“There was/were +主语+地点.”是there be结构的一般过去时态的肯定句,表示“某地(过去)存在某人/物。”,was 后接单数名词或不可数名词,were后接可数名词的复数形式。
考向
知识精讲
例句:There were many old trees here ten years ago.
十年前这儿有许多古树。
易错点
提示
there was/were ...后接多个人或物时,be动词的单复数形式要与离它最近的主语在数上保持一致。
例句:There were many flowers and a big tree in the garden two years ago.
两年前花园里有许多花和一棵大树。
典型例题
单项选择。
There _____ many trees on the hill three years ago.
A. were B. are C. was
B
知识精讲
知识点 3
The Americans took about five days to get there in 1969. 美国人在1969年花了大约五天抵达那儿。
took的用法
took是take的过去式,在此意为“费时”,其后接表示时间的名词(短语)作宾语。常用于句型“It takes/took (+某人)+时间+ to do sth.”意为“做某事花费(某人)多长时间。”
例句:It took me almost two hours to finish today’s homework.
完成今天的家庭作业花了我近2个小时。
考向1
知识精讲
其他用法
考向2
拿走;取走 He took his handbag away.
他把他的手提包拿走了。
吃;服(药) You should take some medicine.
你应该吃一些药。
乘坐;搭乘 She often takes a plane to Beijing.
她经常乘飞机去北京。
买下 I’ll take this dictionary.
我要买这本词典。
固定短语 take a trip去旅行 take pictures拍照
知识精讲
知识点 4
用法
这是一个询问他人如何得知某件事的句型。句型结构:How+助动词+主语+know+其他?
How询问方式,助动词的形式由主语来定,know后接宾语,表示知道的内容。
例句:How does your brother know that
你哥哥怎么知道的?
考向
How do you know that
你怎么知道的?
知识精讲
知识点 5
Easy, I looked it up on the Internet.
简单,我上网查过。
easy /i zi / adj.容易的
例句:It’s easy for him to swim.游泳对他来说很容易。
考向
比较级:easier
反义词:difficult困难的
短语:so easy如此简单
形近词 :east n.东;东方
知识精讲
归纳意义相反的单词,把它们放在一起记忆的方法就是反义词记忆法。如:easy容易的—difficult困难的
反义词记忆法:
知识精讲
look up(在词典中或通过电脑)查阅
例句:We can look it up in the dictionary.
我们可以在字典中查阅它。
考向
用法:look up接名词作宾语时,名词即可置于look与up之间,也可置于up之后;look up接代词作宾语时,代词只能放在look与up之间。
例句:You can look up words in a dictionary.
你可以在字典中查单词。
一词多义:look up 向上看
拓展
知识精讲
Internet / ' nt net / n. 互联网
例句:You can find them all on the Internet.
你可以在互联网上把它们都找到。
考向
短语:on the Internet 在网上
Internet bar 网吧
知识精讲
知识点 6
There was no library in my old school.
我以前的学校里没有图书馆。
There were no computers or Internet in my time.
我那时候没有电脑和网络。
there be结构的否定句
句型结构:(1)There wasn’t/weren’t +主语+地点.
(2)There was /were no+主语+地点.
考向1
知识精讲
这是there be结构的一般过去时态的否定句,表示“某地(过去)不存在某人/物。”
“no+单数名词” 相当于 “not a/an+单数名词” ;
“no+复数名词/不可数名词” 相当于 “not any+复数名词/不可数名词”。
例句:河上以前没有桥。
There was no bridge over the river before.
There was not a bridge over the river before.
知识精讲
易错点
提示
并列结构中,or代替and用于否定句。
例句:There is no air or water on the moon.
月球上没有空气和水。
典型例题
There were no boys ________ girls in the classroom two minutes ago.
A. and B. or C. but
B
03
当堂检测
当堂检测
一、选择填空。
1. Tell us _____ your family,please.
A. for B. of C. about
2. It _____ me about ten minutes to get to the supermarket yesterday.
A. Take B. takes C. took
C
点拨:
“Tell + 人称代词的宾格+ about + 其他. ”用于请求别人讲述关于某方面的信息,故选C。
C
当堂检测
3. The businessman often _____ a plane to other countries.
A. by B. take C. takes
4. The girl _____ pictures with the foreigners(外国人) last week.
A. Take B. took C. takes
C
点拨:
根据关键词“often”判断句子是一般现在时,又因为主语是第三人称单数形式,故选C.
B
当堂检测
二、连词成句。
1. her,the,tell,news,good,about(.)
____________________________________
2. does,how,know,your,that,mother(?) ____________________________________
Tell her about the good news.
How does your mother know that
当堂检测
三、判断下列句子对“√”错“×”。
( )(1) You can look up the word on the computer.
( )(2) You can look the word up on the computer.
( )(3)You can look it up on the computer.
( )(4)You can look up it on the computer.
√
√
√
×
课堂小结
本节课我们学习了以下知识,请同学们一定加强巩固,以便能和同学们进行灵活交流哦!
重点词汇:easy, Internet
重点句式: Tell us about your school, please.
There was only one small building on a hill.
How do you know that
Thanks for watching.