Fill in the blanks with since or for.
1. We have been good friends ………………………. our university days.
We use since to indicate the starting point of a situations.
2. We have known each other ……………………. over twenty years.
We use for to measure duration.
3. I haven’t seen him ……………………… January.
We use since to indicate the starting point of a situation.
4. Where have you been ……………………… I last saw you?
We use since to indicate the starting point of a situation.
5. I have written six letters …………………… morning.
We use since with the starting point.
6. I have known them …………………….. a long time.
We use for with duration.
7. How long have you been waiting ……………………?
We use for with duration.
8. He will be in Amsterdam …………………… a week.
9. It was the worst calamity ……………………… twenty years.
10. I had been working …………………….. morning and I was getting tired.
11. He can watch TV …………………….. hours on end.
We use for with duration.
12. She has been a go-getter ………………………. her childhood.
Answers
1. We have been good friends since our university days.
2. We have known each other for over twenty years.
3. I haven’t seen him since January.
4. Where have you been since I last saw you?
5. I have written six letters since morning.
6. I have known them for a long time.
7. How long have you been waiting for?
8. He will be in Amsterdam for a week.
9. It was the worst calamity for twenty years.
10. I had been working since morning and I was getting tired.
11. He can watch TV for hours on end.
12. She has been a go-getter since her childhood.
