2 We have not seen him since he left school
3 we went to bed... Because we were tired
4 they moved to London two years ago
5 she has not ring me since Tuesday
6 I have just seen a very interesting...
7 Laura has never been to France
8 I saw an old friend of mine last week
9 I have not been to a disco for months
10 my little sister has not learnt to read yet