Part III. Complete the sentences with the correct form of the verbs in brackets.
* Imperative
1. _____________________(go) upstairs.
2. ____________________(not/ swim) in this lake.
3. _____________________(do) your homework.
4. _________________(not/ throw) trash away on the school yard.
5. ______________________ (not/ play) football in the yard.
6.____________________(not/ be) late for school.
7. ____________________ (brush)your teeth.
8. _____________________(not/talk) during the lesson.
9. ________________ (write) this in your notebook.
10. ________________ (not/ feed) the animals in the zoo.
11. ______________ (not/ use) plastic bags.
12. _______________(read) the instructions.