[ Past Modals ]
They _______ have seen the sign, but they ignored it.
A. could
B. could have
C. must
D. may
Select your answer:
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Modal Verbs › ViewIf he had studied harder, he __________ the exam.
A. could have passed
B. might have pass
C. could have pass
D. might have passed
Modal Verbs › View
Rewrite the sentence using a modal verb: You are required to wear a uniform.
A. You can wear a uniform.
B. You may wear a uniform.
C. You should wear a uniform.
D. You must wear a uniform.