Topics: Auxiliary and Modal Verbs
In which tense is ‘could’ used to express ability?
A. Future
B. Conditional
C. Present
D. Past
Select your answer:
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Grammar › ViewIdentify the underlined word. My boss did not pay me for my work.
A. adverb
B. interjection
C. preposition
D. verb
Present Tenses and Vocabulary › View
I’m sorry I’m late, ………………. for a long time?
A. have you been waiting
B. have you waited