My husband is cooking tonight so I ...... do it!
don't have to
have to
must
She ...... finish her homework if she wants to go out. 彼女は外出したいなら宿題を終わらせなければならない
doesn't have to
mustn't
must / has to
You ...... start a fire in this forest. It is prohibited. (禁止）
don't have to
have to
must not
You ...... carry your umbrella - it's a sunny day!
must / have to
must not
don't have to
Children ...... go to school.
must not
don't have to
must / have to
You ...... feed the animals in the Zoo. It's forbiden! feed=動物に餌
don't have to
must / have to
must not
I ...... study this weekend. I have a test on Monday!
must / have to
mustn't
don't have to
The team ...... score 5 more points if they want to win!
must / has to
must not
doesn't have to
If Tom wants to be a doctor, he ...... finish university. トムは医者になりたいです...
doesn't have to
must / has to
must not
She ...... wake up early today - it's Sunday. （日曜日＝休み）
must / have to
doesn't have to
mustn't
You ...... use your phone in a plane.
must not
don't have to
have to / must
They ...... study harder if they want to pass their exam. (試験に合格する)
must not
must / have to
don't have to
I ...... make my bed every morning. I know my parents need help at home.
don't have to
must not
must / have to
She ...... wear a uniform at school. She can wear jeans. (制服のない学校)
must / have to
must not
doesn't have to
You ...... help me now. Mum helped me this morning. (母はすでに私を助けてくれた)
must
don't have to
mustn't
It is against the rules to smoke in here. You ...... do it! 喫煙は規則違反です
must / have to
don't have to
must not