Here's the exercise 'Auxiliary verbs exercise - Test 3 | Exercise follow Topic' about Exercise follow Topic. It's practise the Exercise follow Topic.
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Exercise follow Topic, English grammar in here.
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Test content
A. must take
B. must have taken
C. can have taken
A. can't
B. shouldn't
C. wouldn't
A. needn't call
B. couldn't have called
C. shouldn't have called
A. can have been
B. should have been
C. would have been
A. Would
B. Should
C. Could
A. should have broken
B. could have broken
C. should have broken
A. must
B. could
C. Either could be used here