I. Put the verbs in the correct tense
1.They ( not speak ) to each other since they quarrelled.
2. I ( try ) to learn English for years , but I ( not succeed ) yet.
3. You already ( drink ) three cups of tea since I ( sit ) here.
4. My father ( work ) in this factory for many years.
5. John ( do ) his homework already.
6. I ( not see ) her since last week.
7. We ( go ) on a picnic in the countryside several times.
8. Mr Green always ( go ) to work by bus.
9. It ( not rain ) in the dry season.
10. My little sister ( drink ) milk every day.
1.They ( not speak ) to each other since they quarrelled.
--> haven't spoken
2. I ( try ) to learn English for years , but I ( not succeed ) yet.
--> have tried - haven't succeeded
3. You already ( drink ) three cups of tea since I ( sit ) here.
--> have already drunk - sat
4. My father ( work ) in this factory for many years.
--> has worked
5. John ( do ) his homework already.
--> has done
6. I ( not see ) her since last week.
--> haven't seen
7. We ( go ) on a picnic in the countryside several times.
--> have gone
8. Mr Green always ( go ) to work by bus.
--> goes
9. It ( not rain ) in the dry season.
--> doesn't rain
10. My little sister ( drink ) milk every day.
--> drinks