have to
have tomodal verb
UK/ˈhæv tə/US/ˈhæv tə/
Dạng từ: has to · had to · having to
MUST
A1used to say that something is necessary or that someone must do it
- I have to get up early tomorrow.
- Do we have to wear a uniform?
- She had to wait for an hour.
NOT NECESSARY
A2used in negatives to say that something is not necessary
- You don't have to pay, it's free.
- We didn't have to go to school yesterday.