Exercise 7 Put the verbs in brackets into the present perfect simple or the present perfect continuous.
1 We ______ (rent) this house for twenty years.
2 He ______ (cook) the dinner for thirty minutes.
3 They ______ (be) Thailand since last Friday.
4 She _______ (clean) the house since very early this morning.
5 They ______ (have) their car since last November.
6 She _______ (work) as a DJ for two years.
7 He _______ (go) to the dive centre for five months.
8 I ______ (know) my English teacher since 2005.
Exercise 8 Complete the sentences with for or since.
1 I’ve been drinking coffee since I was fourteen.
2 I’ve been to the cinema only once for last summer.
3 I’ve had the same group of friends for many years.
4 I’ve read nothing interesting for four or five months.
5 I’ve eaten nothing since eight o’clock this morning.
6. I’ve wanted to make a change in my life for a long time.