Put the correct form of the verb (Past Simple or Present Perfect). 1) I (know) him for more than 10 years.
2) My mum (meet) my friend for the first time last week.
3) I (not/see) The Lord of the Rings yet.
4) … you (watch) a DVD last night?
5) He (fall) off his bike yesterday?
6) Bob (join) the school drama club recently.
7) He never (be) to the Zoo.
8) Jane (go) to the post office. She’ll be back soon.
9) They (know) each other since childhood?
10) We (visit) the Eiffel Tower when we (be) in Paris last year.
11) I (know) him for more than 10 years.
12) Last Friday I (not go) to the sport centre.
13) I (call) you yesterday but you weren’t at home.
14) You ever (be) to Spain?
15) What they (do) after school yesterday?
16) He (never/fly) by helicopter.

1) I have known him for more than 10 years.
In this sentence, we use the Present Perfect tense to talk about an action that started in the past and continues into the present. The word "for" indicates the duration of the action, which is more than 10 years.

2) My mum met my friend for the first time last week.
Here, we use the Past Simple tense to talk about an action that happened at a specific time in the past, last week.

3) I have not seen The Lord of the Rings yet.
In this sentence, we use the Present Perfect tense to talk about an action that started in the past (not seeing the movie) and is connected to the present. The word "yet" indicates that the action has not happened up until now.

4) Did you watch a DVD last night?
Here, we use the Past Simple tense to ask about an action that happened at a specific time in the past, last night.

5) Did he fall off his bike yesterday?
Again, we use the Past Simple tense to ask about an action that happened at a specific time in the past, yesterday.

6) Bob joined the school drama club recently.
In this sentence, we use the Past Simple tense to talk about an action that happened at a specific time in the past, when Bob joined the school drama club.

7) He has never been to the Zoo.
Here, we use the Present Perfect tense to talk about an action that started in the past (not going to the zoo) and is connected to the present. The word "never" indicates that the action has not happened at any time up until now.

8) Jane went to the post office. She'll be back soon.
In this sentence, we use the Past Simple tense to talk about an action that happened at a specific time in the past when Jane went to the post office. The phrase "she'll be back soon" indicates that the action is connected to the present.

9) Have they known each other since childhood?
Here, we use the Present Perfect tense to talk about an action that started in the past (knowing each other) and continues into the present. The word "since" indicates the starting point of the action, which is childhood.

10) We visited the Eiffel Tower when we were in Paris last year.
In this sentence, we use the Past Simple tense to talk about an action that happened at a specific time in the past (visiting the Eiffel Tower) when we were in Paris last year. The phrase "last year" provides the specific time frame.

11) I have known him for more than 10 years.
(The same explanation as in sentence 1)

12) Last Friday, I did not go to the sports center.
Here, we use the Past Simple tense to talk about an action that happened at a specific time in the past, last Friday. The phrase "did not go" indicates the negative form of the verb.

13) I called you yesterday, but you were not at home.
In this sentence, we use the Past Simple tense to talk about an action that happened at a specific time in the past, yesterday. The phrase "but you were not at home" provides additional information about the action.

14) Have you ever been to Spain?
Here, we use the Present Perfect tense to talk about an action that started in the past (being in Spain) and continues into the present. The word "ever" indicates at any time in the person's life.

15) What did they do after school yesterday?
In this question, we use the Past Simple tense to ask about an action that happened at a specific time in the past, after school yesterday.

16) He has never flown by helicopter.
Here, we use the Present Perfect tense to talk about an action that started in the past (not flying by helicopter) and is connected to the present. The word "never" indicates that the action has not happened at any time up until now.