1. Fill in the verbs in brackets in Present perfect or Past Simple. 1. We (be) together since we (be) teenagers.
2. Bennet is my best friend. I (meet) him at school, and we (be) friends for 50
years.
3. He
(be) so active and sporty at university. But after the accident he
(never/be) the same.
4. Yesterday Tom (tell me that he would be here today, but he isn't here.
He
(be) away all day
5. A: I
(buy) a new car. B: Nice! When
(you/buy) it?​

1. We have been together since we were teenagers.
Explanation: We use Present Perfect to talk about an action that started in the past and continues up to the present. In this case, the action of being together started in the past when they were teenagers and it continues up to the present.

2. Bennet is my best friend. I met him at school, and we have been friends for 50 years.
Explanation: We use Present Perfect to talk about an action that started in the past and has a connection to the present. In this case, the action of being friends started in the past when they met at school and it continues up to the present.

3. He was so active and sporty at university. But after the accident he has never been the same.
Explanation: We use Past Simple to talk about a completed action in the past. In this case, the action of being active and sporty happened in the past at university. However, we use Present Perfect to talk about a situation that started in the past and continues to the present. In this case, the change in personality after the accident started in the past and continues to the present.

4. Yesterday Tom told me that he would be here today, but he isn't here. He has been away all day.
Explanation: We use Past Simple to talk about a completed action in the past. In this case, the action of telling that he would be here happened in the past. However, we use Present Perfect to talk about an action that started in the past and has a connection to the present. In this case, Tom being away started in the past and it continues up to the present.

5. A: I bought a new car. B: Nice! When did you buy it?
Explanation: We use Past Simple to talk about a completed action in the past. In this case, the action of buying a new car happened at a specific time in the past. A is referring to a single action that took place in the past, so Past Simple is used. B responds using Past Simple to ask about the specific time when the action of buying the car occurred.