Grammar, Plain and Simple

Section A: Make each present tense verb into past tense.
1. fight
2. know
3. buy
4. am
5. bring
6. put
7. sing
8. give
9. think
10. hurt

Answers: 1- fought; 2-knew; 3-bought; 4-was; 5-brought; 6-put; 7-sang; 8-gave; 9-thought; 10- hurt.