1. … I come in? (may).
3. The train … come at 5 p.m. (must).
4. You … do all your homework
regularly if you want to get good education. (have to)
5. He … take an umbrella as it was
raining. (had to)
6. She … speak English and Spain
fluently. (can)
7. Little Mike … go for walk alone
near the house. (was allowed to)