1 When did you come / have you come to live here?
2 I've known my friend for/since I started school.
3 Olivia hasn't eaten / didn't eat since lunchtime.
4 John has arrived / arrived home yesterday. 5 Have you ever tried / Did you ever try mango?
Ответы
1. When did you come to live here?
- This is a question in the past tense, asking for the specific time or date when the person arrived to live in the current location.
2. I've known my friend since I started school.
- This sentence is in the present perfect tense and indicates that the speaker's friendship with their friend began at the same time they started school. The word "since" is used to show a specific starting point in the past and the action (knowing the friend) continues up to the present.
3. Olivia hasn't eaten since lunchtime.
- This sentence is in the present perfect tense and indicates that Olivia has not eaten anything after lunchtime. The word "since" is used to indicate a specific starting point in the past (lunchtime), and the use of the present perfect tense indicates that the action (not eating) is still ongoing.
4. John arrived home yesterday.
- This sentence is in the past tense and indicates that John arrived at his home the day before the time of speaking.
5. Have you ever tried mango?
- This is a question in the present perfect tense and is asking about whether the person has ever had the experience of trying mango. The use of "ever" indicates that there is no specific time frame being referenced, and the present perfect tense suggests that the action (trying mango) may have happened at some point in the past and may continue into the present.