PRESENT PERFECT SINCE- FOR

1. I haven't seen them ...... ages

• a) for

• b) since

2. I have been living here ...... July

• a) since

• b) for

3. He's worked there ....... several years

• a) since

• b) for

4. I haven't seen him ...... last week

• a) for

• b) since

5. It's been a long time ....... I've had such a good meal in a restaurant

• a) for

• b) since

6. He hasn't been able to work ...... the last three weeks

• a) for

• b) since

7. They've known about it ...... a long time

• a) For

• b) Since

8. He hasn't worked this hard ..... he was at school

• a) for

• b) since

9. I haven't seen her ..... a fortnight

• a) for

• b) since

10. They haven't been here ..... 1993

• a) since

• b) for