Question

II. Use English. Write sentences, use Present Perfect or Past Perfect Tense.
Напишите предложения используя где необходимо форму Present Perfect или Past Perfect Tense.

1.________________________ ( you / watch ) documentary about tigers yet?

2. The dolphins _______________ ( already/ disappear) by the time we got to the beach.

3. Dr Mavis_____________________ ( research ) how dolphins communicate since 2012.

4. The scientists ________________ ( monitor) the pair of golden eagles for three years before

their first chick hatched.

5. Jane was upset because she _______________(invest ) a great deal of time and money in the filed project.
6. Cathy was happy because she __________ ( win ) the race.

Answer 1

Ответ:

1. have you watched...?

2. had already disappeared

3. has researched

4. had monitored

5. had invested

6. had won

Объяснение:

Past Perfect употребляется для самого первого из всех прошлых действий в предложении Кэйси была счастлива потому что она выиграла гонку- сначала выиграла, потом была счастлива.Здесь выиграла- Past Perfect