Предмет:
Английский языкАвтор:
savannahsanchezОтвет:
Answers:
B: I can't. I haven't finished doing my homework yet.
A: Susan has been watching TV for four hours now. B: Yes. She should probably take a break!
A: Has Tamara done her chores for the evening? B: Almost, she still has to do the washing up.
A: How long have you been waiting for the bus? B: Well, I've been here since 5 o'clock.
A: Jeff looks really tired. B: Yes, he does. I think he's been playing tennis all afternoon.
Explanations:
The present perfect tense is used to talk about actions that started in the past and continue to the present, or actions that happened in the past but have an effect on the present.
The present perfect continuous tense is used to talk about actions that started in the past and are still continuing at the present moment.
In sentences 1 and 3, the actions haven't finished yet, so we use the present perfect tense. In sentences 2, 4, and 5, the actions are still continuing at the present moment, so we use the present perfect continuous tense.
Note that in sentence 4, we can also use the present perfect tense: "How long have you waited for the bus?" This means that the speaker is interested in the total amount of time that the listener has been waiting, regardless of whether they are still waiting now.
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