Could you say how long David has:
1) lived here?
- for 5 years
- since 1988
2) been here?
- for 3 days
- since May
3) know them?
- for 3 years
- since 1991
4) had them?
- for 2 days
- for ten years
Помгите пожалуйста! Мне очень надо. И срочно)!Заранее БОЛЬШОЕ СПАСИБО!!!!!

How long David has lived here?
David has lived here for 5 years.
He has lived here since 1988.
How long has he been here?
He has been here for 3 days 
He has been here since May
How long has he known them?
He has known them for 3 years
He has known them since 1991
How long has David had them?
David has had them for 2 days
David has had them for ten years.

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