资源简介

Number___________Name_________Class__________Unit 2 第二课时 Section A Grammar
祈使句
定义：祈使句一般用来表示 等。在祈使句中，通常省略主语 。为表示礼貌，可以在句首或句末加上 。
构成：
类型 肯定结构 例句 否定结构 例句
Look!/Sit down! Don’t smoke here !
Be careful! Don’t be late for class!
Let’s have a rest. Don’t let them make any noise. Let’s not say anything about it !
/ No smoking ! /No photos !
Never give up！
情态动词
定义：情态动词用于表达说话人的态度、意愿、推测、建议、能力等。通常没有 的变化。
并且后面必须跟 来构成完整的谓语。
can: 意为 ，可以表示 。否定形式为 。引导一般疑问句时肯定回答是 否定回答是 。
must:意为 。否定形式为 意为 。引导一般疑问句时肯定回答是 否定回答是 。
have to:意为 。有人称、时态和数的变化，三单形式是 过去式是 。
否定形式是 ，意为 。
注意：must和have to的区分
例句 I don’t like English, but I learn it well because it’s important. I like English. I learn it well.
含义
人称变化
否定形式
【练一练】.根据句意，用must或have to填空。
1.Jim,you ______ listen to your teacher in class.
2.— ______ I read the book in the reading room —No,you don’t ________.
3.There is no bus now. I ________ go back home on foot.
4.—Must I finish my homework today —Yes,you ______.
5.—Mum,can I get up late at the weekend —Sure. You don’t ________ get up early.
单项填空。
( )6. ——______ late for class next time.——Sorry, I won’t.A. Don’t B. Don’t be C. Not be D. Isn’t
( )7. Please ______ your hands if you know the correct answer.A.raise B. raising C. raised D. to raise
( )8. ______ talk loudly in the library. It’s against the library rules.A.Not B. No C. Don’t D. Doesn’t
( )9. —______ you swim across the river —No, I can’t. It’s too dangerous.
A. Can B. Must C. Have to D. Should
( )10. My mother is ill, so I ______ stay at home and look after her today.
A. can B. must C. have to D. might
( )11. —______ I use your dictionary for a minute —Of course, you can.
A. Must B. Have to C. Can D. Should
( )12.From 8 April,pet owners in China ________ bring their cats or dogs on some high-speed trains（高铁）. A. must B. should C. can D. need
( )13.—Linda,can you do housework —Yes,I________.I learned（学过） to cook at the age of eight.
A. must B. can C. should D. need
( )14.—Must I come before 6：00 tomorrow morning —No,you ________.The meeting（会议） begins at 8：00. A. mustn’t B. don’t have toC. can’t D. shouldn’t
( )15.________ trying and do your best. A. Keep B. Keeping C. To keep D. Keeps
( )16.________ the window!It’s so cold today. A. Not open B. Don’t open C. Open D. Don’t to open
根据句意，用括号中所给词的适当形式填空。
17. ______ the door,Sara.（open） 18. No _______ in the library!（talk）
Be _______ when you cross the road!（care）
____________too much time on your phone before going to bed.（not spend）
Please __________ computer games so much,Jim!（not play）
I ______ play basketball with you. I have too much homework to do.（can）
—Can your parents ______ English （speak）—Yes,they can.
You can ______ in the swimming pool with your friends at the weekend.（swim）
Slow down,please. You ________ run in the hallway.（must）
We have to ____ on our seat belts when we’re in a car.（put）
按要求完成句子，每空一词。
You can’t watch TV on school nights.（改为祈使句）______ ______ TV on school nights.
You should speak to your teacher politely. (改为祈使句) to your teacher politely, .
You must wear your own clothes at school. (改为一般疑问句) wear own clothes at school
He has to do his homework after dinner.（改为一般疑问句）______ he _____ to do his homework after dinner
Let him play computer games.（改为否定句）______ ____ him play computer games.
Don’t fight in the classroom.（改为同义句）_______ ______/ ____ ________ in the classroom.
No photos here. (改为同义句) photos here.
Kate has to go to bed at ten o’clock.（对画线部分提问）______ _____ Kate _____ to go to bed
根据句意及汉语提示填写单词，注意使用适当的形式。
I can’t sleep because of the from the party.（噪声）
When Tony is from class,the teacher asks if he is OK.（缺席的）
You have to be patient（有耐心的） when you wait at the end of a long .（队）
Mary her dog every morning before school.（喂养）
You need to buy movie tickets before entering the .（电影院）
根据句意，用括号中所给词的适当形式填空。
Ken for school at eight o’clock every morning.（leave）
friendly to new students.（be）
Shh,let’s talk on the train.（quiet）
Frank can’t come because he doesn’t feel today.（good）
The sign says,“No ________！” We need to find another place for the car.（park）
将下列句子中汉语部分译成英语，注意使用适当的形式。
It’s not polite to _______________ at the bus stop.（插队）
You should ______________ to get on the bus. Don’t push.（等着轮到你）
Why is Sally ____________ PE class （缺席）
Please ____________________ in the car.（系上你的安全带）
Please stop _____________.Give us a break!（制造噪音）

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