1. He moved to another country last year.
2. Have you ever eaten dandelion jelly ?
3. We haven't sent the wedding invitations yet / sau / We have already sent the wedding invitations.
4. Jack hasn't seen his colleagues since he graduated.
5. Mrs. White has already left her house.
6. We haven't been to Greece for a year.
7. We have worked here for three years.
8. He didn't recognize me at yesterday's meeting.