Question

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COMPLETE WHITH THE CORRECT FORM OF THE PAST PERFECT:
By the time I arrived, all the children ____________ (GO) to bed.
Mr. Hall bought the car that he ____________before. (SEE)
I ____________ (WALK)two miles by lunchtime.

Answer 1

By the time I arrived, all the children go to bed.

Mr. Hall bought the car that he sees before.

I walk two miles by lunchtime.

Answer 2

By the time I arrived, all the children had gone to bed.

Mr. Hall bought the car that he had seen before. (SEE)

I had walked two miles by lunchtime.

Strutura do past perfect: sujeito + auxiliar had + particípio do verbo principal + complemento.