I know how the sentences with could and had to.
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 )

Спастбо но Это перевод , а нужно решение , там не просто ведь вставить куда нужно , где то нужны was и.т.д.