Obligation, Prohibition
You must go to class.
You have to go to class.
TRUE OR FALSE: You can't use "don't have to" in the past.
False
I can't help you.
I am not able to help you.
You have to do the dishes, but you don't _________ (load) the dishwasher.
have to load
My big brother is very ______. He always shares his money with me.
generous
TRUE OR FALSE: You can use "have to" in obligation.
True
I can't come to your party.
I am not allowed to come to your party.
I am not able to come to the party.
I can't come to the party.
What is the opposite of "load the dishwasher"?
My mom is very ______. She always tells the truth.
honest
Can you use "must" and "mustn't" in the past?
No, you can't.
How do you say "They don't have to help around the house" in the past?
They didn't have to help around the house.
It looks like your computer is broken. You ________ (take) it to a technician.
should take
I don't have to load the dishwasher but I _________ (unload) it.
have to unload
My father is very ________. He always helps out everyone in the house.
helpful
Can "should" have "to" at the end?
No, it can't.
It is not obligatory for you to come to the birthday party.
You don't have to come to the birthday party.
I recommend you to buy a dog.
You ________ a dog.
should buy
My room is always untidy, so my mom tells me that I always _______ (tidy) my room.
have to tidy
One of my classmates makes jokes, but the others don't laugh, so he isn't very ______.
funny
Juan is not allowed to go out after 7 pm.
Juan mustn't / can't go out after 7 pm.
It is not compulsory for you to go back home early.
You don't have to go back home early.
Someone is bullying you, I recommend you _____ (tell) the teacher.
to tell
Nobody in my house wants to take out the trash, so I ______ do it.
have to
My friends are very ________. They always cheer people up.
cheerful