De acordo com as regras do Past Perfect, escolha a alternativa correta que completa a frase:

13) I was sure I ________ the place before.
a) have seen
b) had seen

14) The film _________ by the time we got to the cinema. *
a) have started
b) had started

15) She ________ him before the party. *
a) had met
b) met

16) The plane ________ by the time we got to the airport. *
a) had left
b) have left

17) I ________ written the e-mail before he apologized. *
a) had
b) have

18) He _______ never played soccer until last week.
a) had
b) have

19) Mary left the restaurant after she ________ eating.
a) had finished
b) finished

20) I went to bed after I __________ off the television. *
a) had switched
b) have switched

21) We __________ the car for five years when we sold it. *
a) had had
b) have have

22) By the time we got there, he ________. *
a) have left
b) had left

23) When I came round in the hospital, I realised I _________ the car. *
a) have crashed
b) had crashed

24) After I ________ my homework, I watched th TV. *
a) have done
b) had done