must\mustn't
You _______________ take a picture in the musuem.
You must not take a picture in the musuem.
You _______________ chew with your mouth opened.
You always should use the utensils properly, and you shouldn't chew with your mouth opened.
We ________________ wear a uniform.
We have to wear a uniform.
You _______________ cross the road when the light is red.
You must not cross the road when the light is red.
You _______________ your phone or electronic devices, especially during the conversation.
You should not use your phone or electronic devices, especially during the conversation.
To win, you ________________ to score more goals than that of your opponents.
To win you have to score more goals than that of your opponents.
You _______________ follow the school rules.
You must follow the school rules.
You _______________ push in your chair when you leave the table.
You should push in your chair when you leave the table.
You ________________ follow the rules in the library.
You have to follow the rules of Apple Tree.
To score, the ball _______________ go into your opponent's goal.
To score, the ball must go into your opponent's goal.
You _______________ give advice unless someone asks for it.
You shouldn't give an advice unless someone asks for it.
It's Sunday tomorrow. I ________________ wake up early tomorrow for school.
I don't have to wake up early tomorrow for school.
Parents _______________ take care of their children.
Parents must take care of their children.
You _______________ eat healthy food and do exercise every day.
You SHOULD eat healthy food and do exercise every day.
We ________________ finish project by Friday or we will get a 0!!.
We have to finish project by Friday.