finish or finishes ?

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1. We school at one o’clock.
2. At our school lessons at one o’clock.
3. School at one o’clock.
4. Every day we can at one o’clock.
5. Usually lessons at one o’clock.
6. German pupils school before 2 o'clock.
7. My sister school at quarter to one.
8. In England school at three o'clock.
9. My brother never school before half past one.
10. Usually the last lesson doesn't before one o’clock.
11. The last lesson never after one o'clock.