
CHUYÊN ĐỀ 5: ĐỘNG TỪ TÌNH THÁI (MODAL VERBS)
30 câu hỏi
must have returned
should have returned
cannot have returned
needn't have returned
Chọn A
could
mustn't
have to
may
Chọn C
must be joking
can be joking
can joke
have to joke
Chọn A
shall
should
might
had better
Chọn C
must have
must have had
could have had
can't have had
Chọn A
should have been/ shall
could lie/ must
must be lying/ can
had to be lying/ will
Chọn C
may be
must be
should be
might have been
Chọn A
may have to sell
may have sold
could have sold
must have sold
Chọn A
should be
must have been
should have been
ought to be
Chọn C
could meet
may have met
might meet
should probably meet
Chọn B
There’s a possibility that a new law will soon be passed to deal with the problem.
It is said that a new law will soon be passed to deal with the problem.
To deal with the problem, a new law must be passed soon.
The problem will soon be dealt with by a new law
Chọn A
Perhaps we have to take an entrance exam this year.
We mustn’t take an entrance exam this year.
We mightn’t have taken an entrance exam this year.
It is likely that we won’t take an entrance this year.
Chọn D
We didn't help her when she had difficulty.
We succeeded in helping her out.
Although we didn't help her, she managed to go out.
We could, so we helped her out.
Chọn A
The fire brigade was called at the wrong time.
You should have called the fire brigade at once.
You didn't call the fire brigade and it was wrong.
Calling the fire brigade must be done at once.
Đáp án: B
Giải thích:
Câu gốc:
Dịch: Việc bạn không gọi đội cứu hỏa là sai.
Cấu trúc "should have + V3/V-ed" diễn tả một hành động đáng lẽ ra nên làm trong quá khứ nhưng đã không làm.
B. You should have called the fire brigade at once.
Dịch: Lẽ ra bạn nên gọi đội cứu hỏa ngay lập tức.
Xét các đáp án khác:
A. The fire brigade was called at the wrong time. (Sai vì câu này nói về việc gọi nhầm thời điểm, không đúng với ý câu gốc.)
C. You didn't call the fire brigade and it was wrong. (Sai vì câu này chỉ đơn giản tường thuật lại sự việc, không nhấn mạnh đến việc lẽ ra nên làm như câu gốc.)
D. Calling the fire brigade must be done at once. (Sai vì câu này mang nghĩa một quy tắc chung, không liên quan đến quá khứ như câu gốc.)
It mustn't have been Mr. Pike you saw because he is in London.
It can't have been Mr. Pike you saw because he is in London.
It mightn't be Mr. Pike you saw because he is in London.
It couldn't be Mr. Pike you saw because he is in London.
Chọn B
It is necessary for Tom to try harder if he wants to locate his brother.
Tom must have worked hard in order to locate his brother.
Tom didn't try as hard as he should have to find his brother.
Tom has to make the effort himself if he wishes to find his brother.
Chọn C
I think Mary is on holiday in Vermont now, so you may be wrong in thinking that you heard her yelling last night.
Right now, she is having a holiday in Vermont, so it is nearly impossible that it was Mary whose shouting you heard last night.
Are you sure it was Mary who shouted to you last night, because, as far as I know, she is on vacation in Vermont at the moment?
It it was Mary that you heard yelling last night, then she can't be taking a vacation in Vermont at the moment.
Chọn B
She ought to have been here hours ago.
She might have been here hours ago.
She is expected to be here hours ago.
She shouldn’t have been here hours ago.
Chọn A
Andy is not able to have a bath.
Andy is not allowed to have a bath.
Andy will not be having a bath.
It is impossible that Andy is having a bath.
Chọn D
Nam must go out with his girlfriend.
Nam probably goes out with his girlfriend.
Nam might have gone out with his girlfriend.
It is sure that Nam went out with his girlfriend.
Chọn C
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