1. You don't look well. You see a doctor. (Advice) (Correct)(Incorrect)
You don't look well. You should see a doctor. (Advice) (Correct)
2. lending me your CD player for a couple of days? (Request) (Correct)(Incorrect)
Would you mind lending me your CD player for a couple of days? (Request) (Correct)
3. Whose book is this? – I am not sure. It be Ann's. (Possibility) (Correct)(Incorrect)
Whose book is this? – I am not sure. It might be Ann's. (Possibility) (Correct)
4. She home yesterday because her little son was sick. (Necessity) (Correct)(Incorrect)
She had to stay home yesterday because her little son was sick. (Necessity) (Correct)
5. You leave work at 3:30 today. (Permission) (Correct)(Incorrect)
You can leave work at 3:30 today. (Permission) (Correct)
6. Though he was ill and weak, he get out of the burning building. (Ability) (Correct)(Incorrect)
Though he was ill and weak, he was able to get out of the burning building. (Ability) (Correct)
7. The windows look clean. You wash them. (Absence of necessity) (Correct)(Incorrect)
The windows look clean. You don't have to wash them. (Absence of necessity) (Correct)
8. You disturb him during his work! (Prohibition) (Correct)(Incorrect)
You must not disturb him during his work! (Prohibition) (Correct)
9. Whose car is this? – It be Anton's. I think I saw him driving a red car like this one. (Strong probability) (Correct)(Incorrect)
Whose car is this? – It must be Anton's. I think I saw him driving a red car like this one. (Strong probability) (Correct)
10. I don't believe it. It be true. (Impossibility) (Correct)(Incorrect)
I don't believe it. It can't be true. (Impossibility) (Correct)