1/ He has had a cold for a week.
2/ They have bought the new house since April.
3/ My family has been here since Christmas.
4/ We haven't seen each other for 10 years.
5/ Mr. Clank has worked in the bank for a long time.
6/ Tom and Joanna have gone to France since last summer.
7/ My sister has started a new job yesterday.
8/ I haven't eaten in that restaurant for ages.
9/ Mr. Robinson has taught in this school since 1978.
10/ I have written this letter since six o'clock.
