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Past tenses
1. He (to break) a window yesterday.
2. I (to bring) a letter before she (to call).
3. Mary (to watch) TV while they (to cook) supper.
4. My mum (to come) home by 6 yesterday.
5. You (to open) the window when you (to return) yesterday.
6. The students (to prepare) for the exam from 3 to 7 last Monday.
7. They (to study) in London for 4 years.
8. After 1 (to see) her 1 (to remember) that we (to meet) many years before.
9. Nick (to visit) the USA after he (to Icarn) English.
10. They (to wait) for us all day long yesterday.
11. Peter (to go) to school since 2000.
12. The day before yesterday we (to write) a composition.