7.21 In these sentences the verbs are underlined. Are they right or wrong? Correct the verbs that are wrong.
1. Tom arrived last week.
2. Have you seen Pam last week?
3. I have finished my work
4. When have you finished your work?
5. George has left school three years ago.
6. Where’s Ann? – She’s gone to the cinema. 7. Have you ever been to Britain?
8. The weather has been very bad last week.