1. Complete the sentences with the appropriate forms o the verbs in brackets. Use present perfect continuous o past perfect continuous. 2. Choose the right tense: past perfect or past perfect continuous and write the sentences down. (начиная с 5). Желательно с объяснениями

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1. Complete the sentences with the appropriate forms of the verbs in brackets. Use present perfect continuous or past perfect continuous.

a) I (wait) for him since 3 o'clock.
Answer: have been waiting
Explanation: We use the present perfect continuous to indicate an activity that started in the past and is still happening now. In this case, the speaker has been waiting for him since 3 o'clock and is still waiting.

b) She (study) English for 2 hours.
Answer: has been studying
Explanation: Again, we use the present perfect continuous to indicate an activity that started in the past and is still happening now. In this case, she has been studying English for 2 hours and is still studying.

c) They (play) tennis for the past hour.
Answer: have been playing
Explanation: Once again, we use the present perfect continuous to indicate an activity that started in the past and is still happening now. In this case, they have been playing tennis for the past hour and are still playing.

2. Choose the right tense: past perfect or past perfect continuous and write the sentences down (starting from 5).

a) By the time I got to the party, everyone... (leave).
Answer: had left
Explanation: We use the past perfect to indicate an action that happened before another past action. In this case, the action of leaving happened before the speaker got to the party.

b) It had been raining for hours, so the ground... (be) wet.
Answer: was
Explanation: We use the past perfect continuous to indicate a continuous action that happened before another past action. In this case, the continuous action of raining happened before the past action of the ground being wet.

c) Sarah was tired because she... (work) all day.
Answer: had been working
Explanation: We use the past perfect continuous to indicate a continuous action that happened before another past action. In this case, the continuous action of working happened before Sarah felt tired.

d) When the movie started, I... (already/see) it twice.
Answer: had already seen
Explanation: We use the past perfect to indicate an action that happened before another past action. In this case, the action of seeing the movie twice happened before the movie started.

e) By the end of the day, they... (travel) for 10 hours.
Answer: had been traveling
Explanation: We use the past perfect continuous to indicate a continuous action that happened before another past action. In this case, the continuous action of traveling happened before the day ended.

I hope this helps! If you have any more questions, feel free to ask.