Modal verbs1

IV. Modal verbs
1. People should save pandas from extinction.
………………………………………………………………………………………………
2. We must obey all traffic laws.
………………………………………………………………………………………………
3. Nam ought to repair this broken window.
………………………………………………………………………………………………
4. You can pick tomatoes before they are completely ripe.
………………………………………………………………………………………………
5. Lan has to finish this work today.
………………………………………………………………………………………………
6. You shouldn’t put bananas in the freezer.
………………………………………………………………………………………………
7. Can Nam repair the radio?
………………………………………………………………………………………………
8. Hoa has to give me a book tomorrow.
………………………………………………………………………………………………
9. He can’t do all exercises.
………………………………………………………………………………………………
10. They have to cancel the flight from HCM to Ha Noi.
………………………………………………………………………………………………