Quiz: Modal verbs B1E


Modal verbs B1EOnline version Complete the sentences with modal verbs. by Flora Bascón Ortiz 1 She ... finish the report by now. a must have b must finish c must be d has to have 2 You ... call him yesterday; you forgot. a should have b shall have c should be d should 3 They ... arrive by now if they left on time. a could have arrived b could have c could be d could arrive 4 We ... not disturb them; they are studying. a mustn't b needn't c mustn't have d must not 5 They ... to finish the task today. a have to b has to c had to d having to 6 He ... join us last night; he was unwell. a would have been b would be c would have d would 7 You ... see a doctor if the pain persists. a shall b should c should be d should have 8 They ... go to the concert tomorrow unless it rains. a must b could c may d might 9 He ... have known better; that was risky. a could have b could have been c could d could be 10 They ... come to the party, but they chose not to. a would be b would have c would d would come 11 You ... have gone if you knew the road was blocked. a could be b couldn't have c could have d could 12 She ____ speak three languages fluently. a can b may c could 13 They ____ finish the project on time. a can b must c will 14 You ____ see a doctor if you feel unwell. a could b should c mustn't 15 She ____ have left already. a could have b should c must have 16 You ____ not smoke here. a must not b may not c couldn't 17 You ____ have studied harder. a should have b will have c could have 18 They ____ finish the work by tomorrow. a must b will c should 19 He ____ visit us next week. a will b would c may 20 I ____ have forgotten to bring the book. a might have b could have c must have 21 You ____ not be allowed to enter. a couldn't b may not c must 22 They ____ finish the assignment by Friday. a could b should c must 23 She ____ have been at the gym more. a could have b must have c should have 24 You ____ drive if you have a license. a can b won't c shall 25 He ____ work harder to improve. a should b must c will 26 They ____ not have finished yet. a should not have b might not have c would not have 27 I ____ go to the party if invited. a must b shall c may 28 She ____ have known better. a could have b would have c should have 29 You ____ have to wear a uniform. a should b have to c must 30 He ____ have left the keys on the table. a must have b might have c could have Explicación 1 Must have expresses deduction about a past result; 'must finish' is simple, not appropriate here. 2 Should have indicates past expectation; 'should' alone is present; 'shall have' is incorrect. 3 Could have expresses past possibility; 'could arrive' is present; mismatch with past timing. 4 Mustn't means prohibition in present; 'mustn't have' refers to past; 'must not' is awkward here. 5 Have to expresses necessity in present; 'had to' is past tense. 6 Would have indicates a past conditional outcome; simple 'would' is inappropriate here. 7 Should expresses advice in present; 'should have' implies past. 8 May expresses possibility in present future; all listed misfits vary in nuance. 9 Could have signals past possibility; 'could' is present. 10 Would have expresses past unrealized intention; others are present. 11 Could have marks past unrealized possibility; 'could' is present.

1

She ... finish the report by now.

a

must have

b

must finish

c

must be

d

has to have

2

You ... call him yesterday; you forgot.

a

should have

b

shall have

c

should be

d

should

3

They ... arrive by now if they left on time.

a

could have arrived

b

could have

c

could be

d

could arrive

4

We ... not disturb them; they are studying.

a

mustn't

b

needn't

c

mustn't have

d

must not

5

They ... to finish the task today.

a

have to

b

has to

c

had to

d

having to

6

He ... join us last night; he was unwell.

a

would have been

b

would be

c

would have

d

would

7

You ... see a doctor if the pain persists.

a

shall

b

should

c

should be

d

should have

8

They ... go to the concert tomorrow unless it rains.

a

must

b

could

c

may

d

might

9

He ... have known better; that was risky.

a

could have

b

could have been

c

could

d

could be

10

They ... come to the party, but they chose not to.

a

would be

b

would have

c

would

d

would come

11

You ... have gone if you knew the road was blocked.

a

could be

b

couldn't have

c

could have

d

could

12

She ____ speak three languages fluently.

a

can

b

may

c

could

13

They ____ finish the project on time.

a

can

b

must

c

will

14

You ____ see a doctor if you feel unwell.

a

could

b

should

c

mustn't

15

She ____ have left already.

a

could have

b

should

c

must have

16

You ____ not smoke here.

a

must not

b

may not

c

couldn't

17

You ____ have studied harder.

a

should have

b

will have

c

could have

18

They ____ finish the work by tomorrow.

a

must

b

will

c

should

19

He ____ visit us next week.

a

will

b

would

c

may

20

I ____ have forgotten to bring the book.

a

might have

b

could have

c

must have

21

You ____ not be allowed to enter.

a

couldn't

b

may not

c

must

22

They ____ finish the assignment by Friday.

a

could

b

should

c

must

23

She ____ have been at the gym more.

a

could have

b

must have

c

should have

24

You ____ drive if you have a license.

a

can

b

won't

c

shall

25

He ____ work harder to improve.

a

should

b

must

c

will

26

They ____ not have finished yet.

a

should not have

b

might not have

c

would not have

27

I ____ go to the party if invited.

a

must

b

shall

c

may

28

She ____ have known better.

a

could have

b

would have

c

should have

29

You ____ have to wear a uniform.

a

should

b

have to

c

must

30

He ____ have left the keys on the table.

a

must have

b

might have

c

could have

Explicación

1

Must have expresses deduction about a past result; 'must finish' is simple, not appropriate here.

2

Should have indicates past expectation; 'should' alone is present; 'shall have' is incorrect.

3

Could have expresses past possibility; 'could arrive' is present; mismatch with past timing.

4

Mustn't means prohibition in present; 'mustn't have' refers to past; 'must not' is awkward here.

5

Have to expresses necessity in present; 'had to' is past tense.

6

Would have indicates a past conditional outcome; simple 'would' is inappropriate here.

7

Should expresses advice in present; 'should have' implies past.

8

May expresses possibility in present future; all listed misfits vary in nuance.

9

Could have signals past possibility; 'could' is present.

10

Would have expresses past unrealized intention; others are present.

11

Could have marks past unrealized possibility; 'could' is present.

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Modal verbs B1E

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Modal verbs B1EOnline version

by Flora Bascón Ortiz

She ... finish the report by now.

You ... call him yesterday; you forgot.

They ... arrive by now if they left on time.

We ... not disturb them; they are studying.

They ... to finish the task today.

He ... join us last night; he was unwell.

You ... see a doctor if the pain persists.

They ... go to the concert tomorrow unless it rains.

He ... have known better; that was risky.

They ... come to the party, but they chose not to.

You ... have gone if you knew the road was blocked.

She ____ speak three languages fluently.

They ____ finish the project on time.

You ____ see a doctor if you feel unwell.

She ____ have left already.

You ____ not smoke here.

You ____ have studied harder.

They ____ finish the work by tomorrow.

He ____ visit us next week.

I ____ have forgotten to bring the book.

You ____ not be allowed to enter.

They ____ finish the assignment by Friday.

She ____ have been at the gym more.

You ____ drive if you have a license.

He ____ work harder to improve.

They ____ not have finished yet.

I ____ go to the party if invited.

She ____ have known better.

You ____ have to wear a uniform.

He ____ have left the keys on the table.