1. I used to have a cat once
2. TAm used to run fast
3. My father asked me to turn down the Tv for him
4. When did you start using the bike?
5. The box is so heavy that i can't lift it
6. Because he was lazy, he failed the exam
7. The front yard isn't big enough to play soccer in
8. You don't have to set off early
9. I'll call Linh if you like
10. I haven't spoken to her for 3 years
