Вставьте модальные глаголы can,could,may,might,must. 1.you visit your friend soon. 2. we do it yesterday. 3. i not understand the english language. 4.if you want to be a student you work hard. cрочно! )

1. You may visit your friend soon.
2. We could do it yesterday.
3. I can not understand the English language.
4. If you want to be a student you must work hard.

1. May / can
2. Could
3. Can not
4. Must