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

Answer 2

1. Have you watched the documentary about tigers yet?
2. The dolphins had already disappeared by the time we got to the beach.
3. Dr Mavis has been researching how dolphins communicate since 2012.
4. The scientists had been monitoring the pair of golden eagles for three years before their first chick hatched.
5. Jane was upset because she had invested a great deal of time and money in the field project.
6. Cathy was happy because she had won the race.