present perfect form they_______(be) to Scotland We__________(read) that book he________(live) here for three year you_________(know) David for ten years we___________(be) here…

Here are the sentences in the present perfect form:

1. They have been to Scotland.
2. We have read that book.
3. He has lived here for three years.
4. You have known David for ten years.
5. We have been here for two weeks.
6. I have lost my keys.
7. He has drunk too much coffee.
8. They have missed the train.