情态动词
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情态动词. 1.can/could may/might must need dare should/ought to will/would shall. 2. Can---can’t may---mustn’t /had better not must---needn’t /don’t have to need---needn’t/ 肯定 must. 3 .shall(1) 一、三人称,表征求对方意思。 ( 2 )二、三人称,表说话人的意愿。

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情态动词

1.can/could may/might must need dare should/ought to will/would shall

2. Can---can’t may---mustn’t /had better not

must---needn’t /don’t have to

need---needn’t/肯定must

3 .shall(1)一、三人称,表征求对方意思。

(2)二、三人称,表说话人的意愿。

表“命令、警告、威胁、强制、允诺、决心等。

Eg, You shall do as I say

If you children won’t do as I tell you, you shan’t

go to the party..


4.dare/dared can /could may/might

dare ,need 可作及物动词。

Eg, I wonder how he dared to say such a thing

. You don’t need to do it yourself..

5. be able to=manage to do /succeed in doing

can /could表能力

6.would 只用于表反复发生的动作

used to 还可以用来表示状态、情况和动作。

Eg. When we were children ,we ________________

go to skating every winter.

I _______ have an old jeep.

would/used to

used to


1.can’t/couldn’t do 对现在的否定推测

can’t/couldn’t have done对过去的否定推测

could have done本来可以、差点就要

2.should/ought to do

should/ought to have done 过去本应该做却没做

  • might do

  • might have done本来可能,简直可以但事实并

  • 没有这样。

4。needn’t have done过去没必要做某事

5.must/may/might/could/can’t be doing

想必(一定)/可能/不会正在做某事


D

B

2. Johnny, you ____ play with the knife,you _____

hurt yourself.(1996)

A.won’t/can’t B.mustn’t/may C.shouldn’t/must

D.can’t/should

3.The fire spread though the hotel very quickly but

everyone _______ get out.

A.had to B. would C.was able to D. could

C

4.—When will I come for the photos?I need them

tomorrow.

---They______be ready by 12:00.(1998)

A.can B. should C.might D. need

B


5.—I stayed at a hotel while in New York.

---Oh,did you? You ______with Barbara.

A. could have stayed B. could stay

C. would stay D. must have stayed

A

6.Are you coming to Jeff’s party?

---I am not sure. I______go to the concert instead.

A.must B.would C.should D.might

D

A

7.Sorry, I’m late. I______have turned off the alarm

clock and back to sleep again.

A.might B. should C. can D. will

8.—Write to me when you get home.

--_______.

A. I must B.I should C.I will D.I can

C


B

9.If a man _____succeed, he must work as hard

as he can.

A. will B. is to C. is going to D. should

10.When he was there,he ____go to that coffee shop

at the corner after work every day.

A. would B. should C.had better D. might

A

A

11.Sir, you ____ be sitting in this waiting room.

It is for women and children only.

A.oughtn’t to B. can’t C.won’t D. needn’t

A

12.You can’t imagine that a well-behaved gentleman

______be so rude to a lady.

A.might B. need C.should D. would

C


13.Oh, I’m not feeling well in the stomach,I

________so much fried chick just now.

A.shouldn’t eat B.mustn’t have eaten

C.shouldn’t have eaten D. mustn’t eat

C

14.—Could I call you by the first name?

---Yes, you_______.

A .will B. could C.may D. might

C