1
Who can say where the road goes? (The verb can indicates possibility)
I can't
I can
2
Must it have been love Roxette? (The verb must indicates obligation.)
I mustn't
I must
3
Can you maybe travel tomorrow? (The verb can indicates possibility)
Maybe I can't travel.
Maybe I can travel.
4
Should you go shopping tomorrow? (Should indicates obligation)
I should
I shouldn't
5
Could you take the test today? ( The verb could indicates past ability).
I couldn't
I could
6
How many times a week do you have to work? ( The verb have to indicates obligation).
I have to work every day
I don't have to work every day
7
Can you take English class today? ( The verb can indicates possibility).
No, I can't
Yes, I can.
8
Do you have to run today? ( The verb have to indicates obligation).
I don't have
I have
9
Can you help me with school activities? ( Can indicates possibility).
No, I can't
Yes, I can
10
Do you have to serve lunch today? (Have to indicates obligation).
I have
No, I haven't
