外研社顺序选修第八册Module6 Grammar[下学期]

课件12张PPT。情态动词can could may might
must have to dare need
shall should ought to
will would had better
1.没有人称和数的变化
2.部分有过去式的变化can
may
shall
will
have to
darecould
might
should
would
had to
dared表请求:
表允许:
表猜测:
表建议:
表意愿:
表能力:can,could,may,might,must
can,could,may ,might
must,can,could,may,might
should,ought to,had better,must,have
to,shall,will,would
will,would
can,could, be able to
既可以作为情态动词又可以做为实意动词：敢于
需要dare
needshould /ought to have done
should not/ ought not to have done
must have done
can’t have done
can/could have done
may/might have done
needn’t have done 本该做(实际没有做)
本不该做(但做了)
一定做过
一定没有做
可能做了
可能做了
不需要做但做了1) You____ all those clothes! We have a washing machine to do that sort of thing.
needn't have washed
B) shouldn't have washed　
C) must not have washed
D) can not have washed
2) John‘s score on the test is the highest in the class， he____ last night.
should study B) should have studied
C) must have studied D) must have to study3) Nobody knows how people first came to these islands. They ____ from South America on rafts.
must have sailed B) can sail
C) might have sailed D) should have sailed
4) We____ the letter yesterday, but it didn't arrive.
must receive B) ought to receive
C) must have received D) ought to have received
5) With all the work on hand, he____ to the cinema last night.
mustn‘t go B) shouldn’t have gone 　
C) could not go D) couldn't have gone6) I am feeling sick. I____ so much chocolate.
A) needn't have eaten B) couldn't have eaten
C) mustn't have eaten D) shouldn't have eaten
7) I didn't send out my application form last week, but I ____.
had B) would do
C) should have D) might have to
8) She can speak quite fluent English. She____.
A) must been in the U.S.A. for some time
B) must have been in the U.S.A. for some time
C) should have been in the U.S.A. for some time
D) May be in the U.S.A. for some time 9)“We didn't see him at the exhibition yesterday.” “He ___it.”
mustn't visit B) can't have visited
C) should have gone to see D) may see
10) Mary ____my letter, otherwise she would have replied before now.
A) should have received B) has received
C) couldn't have received D) ought to have received
11) I ____ you a valuable present for your birthday, but I was short of money.
would have liked to give B) liked to give 　
C) have liked to give D) would like to give12)“Where ____ my umbrella?”“Somebody ____ it away by mistake.”
is, must have taken B) is, must take
C) have been, must take D) is, takes
13) What ____ would happen if the director knew you felt that way?
will you suppose B) you suppose
C) do you suppose D) you would suppose
14) Two eyes ____see more than one.
A) can　B) may C) will D) should15) ____ you continue in your efforts and achieve new and greater successes.
Would B) Will C) May D) Should
16) We ought to help each other in our work, ____?
oughtn't we B) should we
C) shouldn't we D) ought to we
17) Tom ____ better than to ask Dick for help.
shall know B) shouldn't know
C) has known D) should have known18) I know things are hard with you, but you ____try to get over the difficulties.
can B) may C) must D) ought
19 I can't find the recorder in the room. It ____ by somebody.
may have been taken away B) may leave
C) may take away D) must have taken away
20) He ____the 9:20 train because he didn't leave home till 9:25.
can reach B) could catch
C) may not catch D) couldn't have caught