Раскройте скобки, употребляя глаголы в форме present perfect или past simple. 1. it is the first time i (to fly). 2. you ever (to eat) bird’s nest soup? 3. he (to work) there for a year. 4. you ever (to try) parachuting? — no, i never (to try) this kind of sport. 5. we (to live) here since 1990. 6. you ever (to be) in the usa? - yes, i (to go) there in spring. 7. this is the worst meal i ever (to eat). 8. he (to study) english for three years but then he (to stop). we (not to eat) since lunch time. | 9. she (to work) for this firm since she (to leave) school. 10. we (not to see) him since he (to leave) our flat. 11. you ever (to meet) anybody famous? 12. my granny (to live) here since she (to be) a girl. 13. how long they (to be) married? 14. they always (to live) in this street. 15. nick and tom (to know) each other since they (to be) at school.

1. it is the first time I have flown.
Explanation: We use the present perfect tense to talk about an action that happened at an unspecified time before now. In this sentence, the speaker is saying that this is the first time they have flown, implying that it happened before now.

2. Have you ever eaten bird's nest soup?
Explanation: We use the present perfect tense to talk about past experiences and actions that have a connection with the present. In this sentence, the speaker is asking if the person has ever eaten bird's nest soup, which is a past experience.

3. He has been working there for a year.
Explanation: We use the present perfect tense to talk about an action that started in the past and continues in the present. In this sentence, the speaker is saying that he started working there in the past and he is still working there now.

4. Have you ever tried parachuting? - No, I have never tried this kind of sport.
Explanation: We use the present perfect tense to talk about past experiences. The first sentence asks if the person has ever tried parachuting, and the second sentence states that they have never tried that kind of sport.

5. We have lived here since 1990.
Explanation: We use the present perfect tense with "since" to talk about an action that started in the past and continues up until now. In this sentence, the speaker is stating that they started living here in 1990 and they still live here now.

6. Have you ever been to the USA? - Yes, I went there in spring.
Explanation: We use the present perfect tense to talk about past experiences, and the past simple tense to talk about completed actions in the past. The first sentence asks if the person has ever been to the USA, and the second sentence states that they went there in the past.

7. This is the worst meal I have ever eaten.
Explanation: We use the present perfect tense to talk about an action that happened at an unspecified time before now. In this sentence, the speaker is saying that this is the worst meal they have ever eaten, implying that they have never had a worse meal before.

8. He studied English for three years but then he stopped. We haven't eaten since lunchtime.
Explanation: In the first sentence, we use the past simple tense to talk about a completed action in the past. The second sentence uses the present perfect tense with "since" to talk about an action that started in the past and continues up until now.

9. She has worked for this firm since she left school.
Explanation: We use the present perfect tense with "since" to talk about an action that started in the past and continues up until now. In this sentence, the speaker is saying that she started working for this firm after she left school and she still works there now.

10. We haven't seen him since he left our flat.
Explanation: We use the present perfect tense with "since" to talk about an action that started in the past and continues up until now. In this sentence, the speaker is saying that they haven't seen him after he left their flat and they still haven't seen him now.

11. Have you ever met anybody famous?
Explanation: We use the present perfect tense to talk about past experiences. In this sentence, the speaker is asking if the person has ever met anybody famous, which is a past experience.

12. My granny has lived here since she was a girl.
Explanation: We use the present perfect tense with "since" to talk about an action that started in the past and continues up until now. In this sentence, the speaker is saying that their granny started living here when she was a girl and she still lives here now.

13. How long have they been married?
Explanation: We use the present perfect tense to talk about an action that started in the past and continues up until now. In this sentence, the speaker is asking about the duration of their marriage, which is an ongoing action.

14. They have always lived in this street.
Explanation: We use the present perfect tense to talk about an action that started in the past and continues up until now. In this sentence, the speaker is stating that they started living in this street in the past and they still live here now.

15. Nick and Tom have known each other since they were at school.
Explanation: We use the present perfect tense with "since" to talk about an action that started in the past and continues up until now. In this sentence, the speaker is saying that Nick and Tom have known each other since they were at school and they still know each other now.