Topics: Verb Ability
Which sentence correctly uses ‘be able to’ in the past tense?
A. I am able to solve the problem yesterday.
B. I was able to solve the problem yesterday.
C. I will be able to solve the problem yesterday.
D. I have been able to solve the problem yesterday.
Select your answer:

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Grammar › ViewLucy _____ to be very good at French, but after her holiday to Paris she improved a lot.
A. wouldn’t
B. didn’t used
C. didn’t use
D. use not
Clauses and Gerunds › View
Emily braked hard __ (let) a black cat __ (run) across the street.
A. letting / to run
B. to let / run
C. to let / to run
D. letting / running
