Open the brackets. Put the verbs into the Present Perfect + (+/-/?)
1. I never (to eat) caviar.
2. We (not to be) to Spain yet.
3. Abby (not to write) to me since last summer.
4. My friend and | (to see) an interesting film recently.
5. They (not to have) a holiday this year.
6. My elder sister just (to come) back.
7. My father already (to read) these magazines.
8. The pupils (not to do) Exercise 5 yet.
9. His mother never (to translate) such difficult articles.
10. 1 (to call) Alice several times this week.