Present Perfect (please correct me)
1) I've studied Irish for two years.
2) She hasn't eaten anything this morning.
3) Have you ever traveled abroad?
4) He's been here for 4 years.
5) She hasn't written him since last week.
6) Has he bought the book last month?
7) They've played tennis for half an hour this afternoon.
8) I haven't drunk alcohol since my wedding.
9) Have they ran for 1 hour?
10) The writer has written for two hours.