外研版必修四Module 2 Traffic Jam - Grammar课件（20张）
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| 名称 | 外研版必修四Module 2 Traffic Jam - Grammar课件（20张） |  | |
| 格式 | zip | ||
| 文件大小 | 185.7KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2019-07-12 22:12:05 | ||
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课件20张PPT。GrammarImperatives 祈使句的特殊结构1. no + 名词或动名词
用于指示标牌、布告，意为“禁止，不许”。
No parking!
No spitting!
No litter!
No entry!
No scribbling on the wall!祈使句祈使句用来表示命令、劝告、请求、禁止。
通常主语you会省去，以原形动词为句首。
Open the door!
Stand up!
Come here!
Hurry up!2. 以 have done 起首
这种结构相当于 stop (doing)，有时表示“结束，停止”。
Have done! 住手！
Have done running! 跑完了！（不要跑了）3. be + 过去分词
Be seated, please.
Be reassured.
Be gone！4. be + 现在分词
祈使句也可以有进行式。
Do be sweeping the floor when I come in!
我进来时，（你）一定在擦地板吧！5. do + 祈使句
这种结构表示强调，常译为“务必，一定要”。
Do save us!
Do tell me the reason.
Do be honest.注意祈使句的主语
祈使句的主语多为不言而喻的 you，一般不出现。但若是要强调主语，或表示急躁、厌烦、不高兴、愤怒等感彩，或表示向谁请求或发出命令，祈使句可有主语，除you外，还可以用不定代词one, someone, somebody, everyone, everybody或名词。 You mind your own business!
Away you go!
Somebody close the window!
One stay here!
Anybody don’t stand there.
You wait and see.祈使句的否定式
祈使句的否定式一般式在谓语动词前加do not 或don’t（口语中），有时也可用never；若祈使句有主语，否定词don’t或never要置于主语之前，不可用do not。
Do not come in unless asked.
Don’t you believe it.
Never be late again next time.无动词祈使句
一般来讲，祈使句都要有动词，但是有些用于口号、告示等的祈使句却是没有动词的，虽为只言片语，却简洁明了。
Patience!
Danger!
After you!
Hands up！
This side down!Practice 1. --- English has a large vocabulary, hasn’t it? --- Yes. _______ more words and expressions and you will find it easier to read and communicate.
A. Know???? ??
B. Knowing???
C. To know?? ??
D. KnownA2. Stand over there _______ you’ll be able to see it better. ?
A. or????
B. while??
C. but???
D. and?D3. ---I’ve never seen anyone run so fast. --- ______ David go.
A. just watch?????? ?
B. just to watch?
C. just watching?? ?
D. just having watchedA 4. --- Don‘t forget to my birthday party tomorrow. ?????--- ________ .
A. Yes , I won’t???? ?
B. No , I won’t
C. No , I will???????? ?
D. Yes， I will B5. Be sure to write to us, ________?
A. will you?? ??
B. aren’t you?
C. can you? ??
D. mustn’t you A6. One more week, ______ we will accomplish the task. ?
A. or????
B. so that? ?
C. and???
D. if?C7. _____ blood if you can and many lives will be saved.
A. Giving?? ??
B. Give?? ??
C. Given? ???
D. To give B8. ______ this book and tell me what you think of it.
A. Look through?? ?
B. Look on?
C. Look into? ??
D. Look upA9. ______ it with me and I’ll see what I can do
A. When left ??
B. Leaving
C. If you leave ??
D. LeaveD
用于指示标牌、布告，意为“禁止，不许”。
No parking!
No spitting!
No litter!
No entry!
No scribbling on the wall!祈使句祈使句用来表示命令、劝告、请求、禁止。
通常主语you会省去，以原形动词为句首。
Open the door!
Stand up!
Come here!
Hurry up!2. 以 have done 起首
这种结构相当于 stop (doing)，有时表示“结束，停止”。
Have done! 住手！
Have done running! 跑完了！（不要跑了）3. be + 过去分词
Be seated, please.
Be reassured.
Be gone！4. be + 现在分词
祈使句也可以有进行式。
Do be sweeping the floor when I come in!
我进来时，（你）一定在擦地板吧！5. do + 祈使句
这种结构表示强调，常译为“务必，一定要”。
Do save us!
Do tell me the reason.
Do be honest.注意祈使句的主语
祈使句的主语多为不言而喻的 you，一般不出现。但若是要强调主语，或表示急躁、厌烦、不高兴、愤怒等感彩，或表示向谁请求或发出命令，祈使句可有主语，除you外，还可以用不定代词one, someone, somebody, everyone, everybody或名词。 You mind your own business!
Away you go!
Somebody close the window!
One stay here!
Anybody don’t stand there.
You wait and see.祈使句的否定式
祈使句的否定式一般式在谓语动词前加do not 或don’t（口语中），有时也可用never；若祈使句有主语，否定词don’t或never要置于主语之前，不可用do not。
Do not come in unless asked.
Don’t you believe it.
Never be late again next time.无动词祈使句
一般来讲，祈使句都要有动词，但是有些用于口号、告示等的祈使句却是没有动词的，虽为只言片语，却简洁明了。
Patience!
Danger!
After you!
Hands up！
This side down!Practice 1. --- English has a large vocabulary, hasn’t it? --- Yes. _______ more words and expressions and you will find it easier to read and communicate.
A. Know???? ??
B. Knowing???
C. To know?? ??
D. KnownA2. Stand over there _______ you’ll be able to see it better. ?
A. or????
B. while??
C. but???
D. and?D3. ---I’ve never seen anyone run so fast. --- ______ David go.
A. just watch?????? ?
B. just to watch?
C. just watching?? ?
D. just having watchedA 4. --- Don‘t forget to my birthday party tomorrow. ?????--- ________ .
A. Yes , I won’t???? ?
B. No , I won’t
C. No , I will???????? ?
D. Yes， I will B5. Be sure to write to us, ________?
A. will you?? ??
B. aren’t you?
C. can you? ??
D. mustn’t you A6. One more week, ______ we will accomplish the task. ?
A. or????
B. so that? ?
C. and???
D. if?C7. _____ blood if you can and many lives will be saved.
A. Giving?? ??
B. Give?? ??
C. Given? ???
D. To give B8. ______ this book and tell me what you think of it.
A. Look through?? ?
B. Look on?
C. Look into? ??
D. Look upA9. ______ it with me and I’ll see what I can do
A. When left ??
B. Leaving
C. If you leave ??
D. LeaveD