Unit4 Then and now 语法速学学案（含答案）
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| 名称 | Unit4 Then and now 语法速学学案（含答案） |  | |
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| 更新时间 | 2021-07-12 21:31:11 | ||
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六年级上Unit4 Then and now 语法速学
一般过去时和一般现在时的比较：
1.一般过去时表示过去某个时间发生的动作。常用的时间状语有yesterday,just now —般过去时有以下几种句式：
（1） 肯定句:主语+动词过去式+其他.
（2） 否定句:主语+助动词didn’t+动词原形+其他.
（3） 一般疑问句:助动词Did+主语+动词原形+其他？
（4） 特殊疑问句:特殊疑问词+助动词did+主语+动词原形+其他？
2.一般现在时表示经常发生的习惯动作或目前的状态。常用的时间状语有often, sometimes, usually, in the morning等。一般现在时有以下几种句式：
（1） 肯定句:主语+动词原形/动词的第三人称单数形式+其他.
（2） 否定句:主语+助动词don't/doesn't+动词原形+其他.
（3） 一般疑问句:助动词Do/Does+主语+动词原形+其他？
（4）特殊疑问句:特殊疑问词+助动词do/does+主语+动词原形+其他？
could的用法
could是情态动词，它是can的过去式，用法同can,表示过去的状态。
注意：无论是can还是could,后面均接动词原形。
1.陈述句：使用方法同can, could放在主语之后。
句型结构：主语+ could... 如：
Five years ago, I could read and write. 五年前，我会阅读和写字。
Six years ago, I could ride a bike. 六年前，我会骑车。
2.否定句：含有could的句子改为否定句时，使用方法同can,只要在could后加not即可。
否定形式：cannot = can't, could not = couldn't
句型结构：主语+couldn’t...如：
Five years ago, I couldn't read or write.五年前，我不会阅读和写字。
Six years ago, I couldn't ride a bike.六年前，我不会骑车。
一般疑问句：使用方法同can,将could提至句首。
句型结构：Could +主语...？
肯定回答：Yes,主语+ could. 否定回答：No,主语+ couldn't.如：
Could you write emails twelve years ago? 十二年前你会写电子邮件吗？
Could Jack make a toy car two years ago? 杰克两年前会做玩具汽车吗？
4.could引导的特殊问句：特殊疑问词+ could引导的一般问句？如：
They could ride a bike last year.（对划线部分提问）
What could they do last year? 去年他们会干什么?
语法强化训练
一、按要求写单词。
1. take（过去式）____________ 2. can(过去式)____________
3. write（过去式）____________ 4. read(过去式)____________
5. watch（第三人称单数）____________ 6. ate(原形)____________
7. got （原形）____________ 8.family(复数)____________
9. have（过去式）____________ 10. did(否定形式) ____________
二、用所给词的适当形式填空。
1.Mike could not____________(write) with a pen when he was a baby.
2.There are some____________(child) over there. Let's go and see.
3.My father usually____________ to work by car. But yesterday he ____________to work on foot.(go)
4.We____________(bring) some drinks to the party last week.
5.I like ____________TV. Would you like____________ with me? (watch)
6.I____________(eat) many cakes yesterday.
7.Liu Tao____________(get) up at six every morning.
8.Mr Wu____________(do) shopping on the Internet now.
三、用be动词的适当形式填空。
1.I_____at school just now.
2.He_____at the camp last week.
3.We_____ students two years ago.
4.They_____ on the farm a moment ago.
5.Yang Ling_____ eleven years old last year.
6.There_____ an apple on the plate yesterday.
7.There_____ some milk in the fridge last Sunday.
8.The mobile phone_____ on the sofa yesterday evening.
9._____there any rice in the bowl just now? — Yes.
10._____there any pianos in the music room? — No.
11.There_____ any milk in the glass just now.
12.There _____ any students in the playground now.
13.We_____ very happy every day.
14.There _____a pencil and some English books on the desk a moment ago.
15.There _____any storybooks and a computer in the library a year ago.
四、选择合适的选项，将序号填在题前括号内。
( )1. I_____ a new bag yesterday.
get B. getted C. got
( )2. I_____ TV a moment ago.
A. watch B. watched C. looked
( )3. _____you at home a day ago?
A. Are B. Do C. Were
( )4. _____he happy last night? 一 Of course!
A. Was B. Is C. Does
( )5. Each student _____one picture.
A. draw B. draws C. drawing
( )6. This is the_____chair.
A. king's B. kings' C. king
( )7. Mr Williams_____some beautiful stamps_____us this morning.
A. shows, to B . showed, to C. show, to
( )8. Were there_____ people in the street?
A. some B. any C. much
五、按要求改写句子
1.Mike could read and draw six years ago.
①改为否定句：__________________________________________
②改为一般疑问句：__________________________________________
肯定回答：__________________________________________
否定回答：__________________________________________
③对 read and draw 提问：__________________________________________
2.Mr. Black could sing English songs twenty years ago.
改为否定句：__________________________________________
改为一般疑问句：__________________________________________
肯定回答：__________________________________________
否定回答__________________________________________：
对 sing English songs 提问：__________________________________________
对 twenty years ago 提问：_________________________________________
3.Lily could draw pictures ten years ago.
改为否定句：__________________________________________
改为一般疑问句：__________________________________________
肯定回答：__________________________________________
否定回答：__________________________________________
对draw pictures 提问：__________________________________________
对Lily提问：__________________________________________
答案
一
1. took 2. could 3. wrote 4. read5. watches 6. eat 7. get 8. families
9. had 10. didn't
二. 1. write 2. children 3. goes, went 4. brought 5. watching, to watch 6. ate
7. gets 8. is doing
三、1.was 2.was 3.were 4.were 5.was 6.was 7.was 8.was 9.Was 10.Are 11.wasn’t 12 aren’t 13.are 14.was 15.weren’t
四CBCAB ABB
五、1.Mike couldn't read or draw six years ago .
Could Mike read or draw six years ago?
Yes,he could./No,he couldn't.
What could Mike do six years ago?
2.Mr Black couldn't sing English songs twenty years ago.
Could Mr Black sing English songs twenty years ago?
Yes, he could./No, he couldn't.
What could Mr Black do twenty years ago?
When could Mr Black sing English songs?
3.Lily couldn't draw pictures ten years ago.
Could Lily draw pictures ten years ago?
Yes,she could./ No,she couldn't.
What could Lily do ten years ago?
Who could draw pictures ten years ago?
一般过去时和一般现在时的比较：
1.一般过去时表示过去某个时间发生的动作。常用的时间状语有yesterday,just now —般过去时有以下几种句式：
（1） 肯定句:主语+动词过去式+其他.
（2） 否定句:主语+助动词didn’t+动词原形+其他.
（3） 一般疑问句:助动词Did+主语+动词原形+其他？
（4） 特殊疑问句:特殊疑问词+助动词did+主语+动词原形+其他？
2.一般现在时表示经常发生的习惯动作或目前的状态。常用的时间状语有often, sometimes, usually, in the morning等。一般现在时有以下几种句式：
（1） 肯定句:主语+动词原形/动词的第三人称单数形式+其他.
（2） 否定句:主语+助动词don't/doesn't+动词原形+其他.
（3） 一般疑问句:助动词Do/Does+主语+动词原形+其他？
（4）特殊疑问句:特殊疑问词+助动词do/does+主语+动词原形+其他？
could的用法
could是情态动词，它是can的过去式，用法同can,表示过去的状态。
注意：无论是can还是could,后面均接动词原形。
1.陈述句：使用方法同can, could放在主语之后。
句型结构：主语+ could... 如：
Five years ago, I could read and write. 五年前，我会阅读和写字。
Six years ago, I could ride a bike. 六年前，我会骑车。
2.否定句：含有could的句子改为否定句时，使用方法同can,只要在could后加not即可。
否定形式：cannot = can't, could not = couldn't
句型结构：主语+couldn’t...如：
Five years ago, I couldn't read or write.五年前，我不会阅读和写字。
Six years ago, I couldn't ride a bike.六年前，我不会骑车。
一般疑问句：使用方法同can,将could提至句首。
句型结构：Could +主语...？
肯定回答：Yes,主语+ could. 否定回答：No,主语+ couldn't.如：
Could you write emails twelve years ago? 十二年前你会写电子邮件吗？
Could Jack make a toy car two years ago? 杰克两年前会做玩具汽车吗？
4.could引导的特殊问句：特殊疑问词+ could引导的一般问句？如：
They could ride a bike last year.（对划线部分提问）
What could they do last year? 去年他们会干什么?
语法强化训练
一、按要求写单词。
1. take（过去式）____________ 2. can(过去式)____________
3. write（过去式）____________ 4. read(过去式)____________
5. watch（第三人称单数）____________ 6. ate(原形)____________
7. got （原形）____________ 8.family(复数)____________
9. have（过去式）____________ 10. did(否定形式) ____________
二、用所给词的适当形式填空。
1.Mike could not____________(write) with a pen when he was a baby.
2.There are some____________(child) over there. Let's go and see.
3.My father usually____________ to work by car. But yesterday he ____________to work on foot.(go)
4.We____________(bring) some drinks to the party last week.
5.I like ____________TV. Would you like____________ with me? (watch)
6.I____________(eat) many cakes yesterday.
7.Liu Tao____________(get) up at six every morning.
8.Mr Wu____________(do) shopping on the Internet now.
三、用be动词的适当形式填空。
1.I_____at school just now.
2.He_____at the camp last week.
3.We_____ students two years ago.
4.They_____ on the farm a moment ago.
5.Yang Ling_____ eleven years old last year.
6.There_____ an apple on the plate yesterday.
7.There_____ some milk in the fridge last Sunday.
8.The mobile phone_____ on the sofa yesterday evening.
9._____there any rice in the bowl just now? — Yes.
10._____there any pianos in the music room? — No.
11.There_____ any milk in the glass just now.
12.There _____ any students in the playground now.
13.We_____ very happy every day.
14.There _____a pencil and some English books on the desk a moment ago.
15.There _____any storybooks and a computer in the library a year ago.
四、选择合适的选项，将序号填在题前括号内。
( )1. I_____ a new bag yesterday.
get B. getted C. got
( )2. I_____ TV a moment ago.
A. watch B. watched C. looked
( )3. _____you at home a day ago?
A. Are B. Do C. Were
( )4. _____he happy last night? 一 Of course!
A. Was B. Is C. Does
( )5. Each student _____one picture.
A. draw B. draws C. drawing
( )6. This is the_____chair.
A. king's B. kings' C. king
( )7. Mr Williams_____some beautiful stamps_____us this morning.
A. shows, to B . showed, to C. show, to
( )8. Were there_____ people in the street?
A. some B. any C. much
五、按要求改写句子
1.Mike could read and draw six years ago.
①改为否定句：__________________________________________
②改为一般疑问句：__________________________________________
肯定回答：__________________________________________
否定回答：__________________________________________
③对 read and draw 提问：__________________________________________
2.Mr. Black could sing English songs twenty years ago.
改为否定句：__________________________________________
改为一般疑问句：__________________________________________
肯定回答：__________________________________________
否定回答__________________________________________：
对 sing English songs 提问：__________________________________________
对 twenty years ago 提问：_________________________________________
3.Lily could draw pictures ten years ago.
改为否定句：__________________________________________
改为一般疑问句：__________________________________________
肯定回答：__________________________________________
否定回答：__________________________________________
对draw pictures 提问：__________________________________________
对Lily提问：__________________________________________
答案
一
1. took 2. could 3. wrote 4. read5. watches 6. eat 7. get 8. families
9. had 10. didn't
二. 1. write 2. children 3. goes, went 4. brought 5. watching, to watch 6. ate
7. gets 8. is doing
三、1.was 2.was 3.were 4.were 5.was 6.was 7.was 8.was 9.Was 10.Are 11.wasn’t 12 aren’t 13.are 14.was 15.weren’t
四CBCAB ABB
五、1.Mike couldn't read or draw six years ago .
Could Mike read or draw six years ago?
Yes,he could./No,he couldn't.
What could Mike do six years ago?
2.Mr Black couldn't sing English songs twenty years ago.
Could Mr Black sing English songs twenty years ago?
Yes, he could./No, he couldn't.
What could Mr Black do twenty years ago?
When could Mr Black sing English songs?
3.Lily couldn't draw pictures ten years ago.
Could Lily draw pictures ten years ago?
Yes,she could./ No,she couldn't.
What could Lily do ten years ago?
Who could draw pictures ten years ago?