When we are at school we..... wear a uniform.
When we are at school we must/have to wear a uniform.
You ..... remember to feed the dog.
You must remember to feed the dog.
You....... smoke. It's bad for you. (advice/negative)
You shouldn't smoke. It's bad for you.
The museum is free. You ......pay. (negative)
The museum is free. You don't have pay.
If you want to work in the USA, you.......speak good English.
If you want to work in the USA, you have to speak good English.
You ......to tell her that you are sorry.
You have to tell her that you are sorry.
Tomorrow is Friday! So I ......go to school! (negative)
Tomorrow is Friday! So I don't have to go to school!
I ..... wear a uniform when I go to school.
I must/have to wear a uniform when I go to school.
You .....park here. It's an emergency exit. (obligation)
You mustn't park here. It's an emergency exit.
You are ill. You .......go to school today. (advice/negative)
You are ill. You shouldn't go to school today.
You ..... give someone a clock as a present. (advice/ negative)
You shouldn't give someone a clock as a present.
You ..... work harder, if you want to pass the exam.
You have to work harder, if you want to pass the exam.
I think people......recycle more paper and glass. (advice)
I think people should recycle more paper and glass.
You..... wait here. It's not allowed. (obligation/negative)
You mustn't wait here. It's not allowed.
I'm really sick. I..... take a rest.
I'm really sick. I must take a rest.
you ... eat less candy (advice)
you should eat less candy
You ... drink that, it is poison (negative)
you mustn't drink that, it is poison
We ... go to the park, there's covid-19 there. (advice / negative)
we shouldn't go to the park, there's covid-19 there.
You ... go with your grandma tomorrow. (obligation)
You have to go with your grandma tomorrow.
you ... drink more water (advice)
you should drink more water.