Present Perfect Since/For

I've known Jackie .... 1999.

• since

• for

Pat hasn't spoken to me .... his birthday party.

• since

• for

I've had this car .... ages.

• for

• since

Jane's been in Ireland .... three days.

• for

• since

Jane's been in Ireland .... Monday.

• for

• since

Jen is in her office. She's been there .... 7 o'clock.

• for

• since

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