Mustn’t (must not) - used to indicate something that is prohibited or not allowed Rule: must + not = mustn’ Example: You mustn’t smoke in this area.
Can’t (cannot) - used to indicate that something is impossible or not allowed Example: I can’t go to the party tonight because I have to study.
Don’t need to - used to indicate something that is not necessary or required Example: You don’t need to bring a gift to the party.
Don’t have to - used to indicate something that is optional or not required Example: You don’t have to wear a uniform to work.
Didn’t have to - used to indicate that something was not necessary or required in the past Example: I didn’t have to take the bus yesterday because my friend gave me a ride.
Didn’t need to - used to indicate that something was not necessary in the past Example: We didn’t need to make a reservation because the restaurant was not crowded.
Mustn’t (must not) - used to indicate something that is prohibited or not allowed
Rule: must + not = mustn’
Example: You mustn’t smoke in this area.
Can’t (cannot) - used to indicate that something is impossible or not allowed
Example: I can’t go to the party tonight because I have to study.
Don’t need to - used to indicate something that is not necessary or required
Example: You don’t need to bring a gift to the party.
Don’t have to - used to indicate something that is optional or not required
Example: You don’t have to wear a uniform to work.
Didn’t have to - used to indicate that something was not necessary or required in the past
Example: I didn’t have to take the bus yesterday because my friend gave me a ride.
Didn’t need to - used to indicate that something was not necessary in the past
Example: We didn’t need to make a reservation because the restaurant was not crowded.