It was a mistake of Tony to buy that house.

Knowledge of verb defects

– couldn’t have Ved-3 : couldn’t do anything

– can’t have Ved-3: Probably didn’t do anything

– needn’t have Ved-3: Didn’t need

– shouldn’t have Ved-3: Shouldn’t have done anything

It was Tony’s fault for buying that house, expressing regret for buying the house

It was Tony’s fault for buying that house.

– Tony should not have bought that house.

Choose EASY