1. He (be)has been at his computer for seven hours.
2. She (not/have) haven't had any fun a long time.
3. My father (not/ play)hasn't played any sport since last year.
4. I’d better have a shower. I (not/have)haven't had one since Thursday.
5. I don’t live with my family now and we (not/see) haven't seen each other for five years.