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(共27张PPT)
Imperatives
英语祈使句
What is an imperative sentence？
Structure
Base form of a verb
ends with
begins with
A full stop or an exclamation mark
No subject
Study now!
Go faster.
Be quiet!
Let me alone, please.
Affirmative form
Do 型
GO faster.
Stand up!
Let me help you.
Be型
Be careful.
Be quiet.
Note
What’s the difference between let’s and let us
Let us have a try, will you
Let's go there together, shall we
break the rules of the road
Don’t
smoke in public
Don’t/Never
let the lights on during the day.
Don’t
No+doing
No smoking
No spitting
Negative form
Add Don’t or Never before base form of a verb
Do 型
1. Don’t break the rules of the road
2. Never run red lights.
3. Don’t let the lights on.
4. Don’t let a child do whatever he likes.
不要让孩子为所欲为。
Be 型
Don’t be late again.
Don't be scared.
No + doing
1. No parking.
2. No smoking.
Do you know how to make imperatives more polite
Come here
go downstairs.
Stand up
Sit down
, please.
, please.
, please.
Please
Function
Request/command
Please open the door.
Please switch off the lights.
Pass the book, please!
Invitation
Please come to my wedding.
Go to the movies with us tonight.
Please join us for the party tonight!
Advice
Watch your step when you go downstairs.
Wash your hands before meals.
Drink lots of boiled water when you catch a cold.
wish
Have fun at the party!
May God bless you!
Have a safe journey.
Warning/prohibition
An instruction
First, boil some water.
Then, put coffee into a cup.
Next, pour the hot water into the cup.
After that, add a little milk.
Finally, stir the coffee.
Role Play
A robber: Show me the money!
Now give me the money!
Don’t call the police!
A Passerby: Officer, come here please.
Someone is robbing.
A policeman: Stop！
Lay down arms！
Raise your hands and turn around!
Practice1 Translation
Traffic rules
1. Don't run the red light.
不要闯红灯。
2. Please fasten your safety belt.
请系好安全带。
3. Don’t drive without license.
不要无照驾驶。
4. Keep both hands on the steering wheel while you’re driving.
开车时请将双手置于方向盘。
5. 过马路时请谨慎。
Please be careful, when cross the street.
6. 遵守交通规则。
Follow the rules of the road.
7. 不要违反交通规则。
Don’t break the rules of the road.
Practice 2 Writing
Write five or more sentences using imperatives. Use any or all of the following topics for your sentences:
Steps to cook a rice.
Tips to obtain high grades.
Rules inside a mall.
Homework
Activity 2 on page 73 of the book.
Write an instruction or invitation by using imperatives. You can choose any topic you like.
Fill in the blank using the correct form of the verbs in brackets
1. Please ____________(open) the door.
2.____________(not be) careless.
3.No____________(talk)!
4.Please ____________(not watch) TV so much, Jim!
5.Be ____________(care)!
open
Don’t be
talking
don’t watch
careful

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