1) he can't walk very fast because he has hurt a leg.
2) i can't get in because i have lost a key.
3) i know this story very well because i have saw the film.
4) i can't post the letter because i have not put stamp on it.
5) he can't stand up because he has ate too much.
6) they can't go on holiday because they have not saved money.
7) i know him because i have met him before.
8) we don't know how he is because we have not heard from him.
9) he won't take a cigarette because he has gave up smoking.
10) she can't get in because he has locked the door.
1 because he has hurt2 because I have lost 3 because I have seen 4 because I havent put5 because he has eaten... 6 because they havent saved... 7 I have met 8 because we havent heard 9 because he has given10 because he has locked
Объяснение:
