1. Imperative Sentence giving instructions
Look at the example sentences and summarize the rules.
Please come earlier next time.
Stop talking, please.
1) Affirmative Imperative Sentence: Start with the original form of the verb, and please make the tone of the command more polite.
Please can be placed at the beginning of a sentence, or at the end of a sentence, usually separated from the first part of the sentence by a comma.
2) Negative Imperative: Use Don’t + the original form of the verb.
3) Imperative Interrogative Sentences It means "must", which means an obligation to undertake actively. Negative mustn't means "no permission", which means a kind of prohibition. Interrogative negative answers are often "needn't".
---Must I finish the work today?
---No,you needn't.
The modal verb should means "should" and the negative form "shouldn't" means "should not", they are both used to give advice to others, to tell others What is best to do or what is right to do.
High school entrance examination related grammar links
1. Cars, buses and bikes _____ stop when the traffic light is red.
A. can B. must C. may D. need
2. --_____ I fill in the form now , sir?
--No, you needn't. You can complete it this afternoon.
A. May B. should C. Must D. Would
3. _____ I have to show the school report to my parents, Miss King?
A. Must B . Do C. Can D. May
4. –Look ! Mr Hu is on the other side of the street.
-- It ______ be him. He has gone to Shanghai.
A. mustn't B. can't C. shouldn't D. won't
5. – Don't play on the road again, will you?
-- ________.
A. Yes, I don't. B. No, I won't.
C. No, I will D. Yes, I won't.
6. Let's not pull its tail, shall we? (interrogative sentence)