l I know how to use past modals could and had to. Complete the sentences with could and had to.

I By the time Mozart was four he could play the violin.

1 By the time/Mozart/four/play the violin (could).
2 Marie/do chores/yesterday (had to).

3 Bobby/study English/last night (not have to).
4 The knights/pull the sword/out of the stone (could not).

5 John/ride a bike/when he was three (could not).

1 By the time Mozart was four he could play the violin. 2 Marie had to do chores yesterday.  3 Bobby hadn’t to study English last night.  4 The knights couldn’t pull the sword out of the stone.  5 John couldn’t ride a bike when he was three.