Transform sentences
Do we have to buy Lisa a birthday present? (✔)
We have to buy Lisa a birthday present.
Shh! You ? talk in the library!
Shh! You mustn’t talk in the library!
you / pay / to enter this museum. It's free.
You don't have to pay to enter this museum. It's free.
A The girls want to watch a movie.
B That's fine. ... (they / watch) a movie—it's Friday night.
A The girls want to watch a movie.
B That's fine. They are allowed to watch (they / watch) a movie—it's Friday night.
Do your parents have to get up early every morning?
Yes, they do.
I have to babysit my little brother tonight. (?)
Do I have to babysit my little brother tonight?
We ? use our phones in class. It isn’t allowed.
We mustn’t use our phones in class. It isn’t allowed.
you / lock / the door when you leave. It's very important.
You have to lock the door when you leave. It's very important.
A Dad, can I go to Julia's house?
B No, Patri. ... (you / go out) on a school night.
A Dad, can I go to Julia's house?
B No, Patri. You aren't allowed to go out (you / go out) on a school night.
Do your friends have to do their homework before they go out?
Yes, my friends have to do their homework before they go out.
He has to check his messages every hour. (✘)
He doesn’t have to check his messages every hour.
Mom ? go to the store for groceries because I went this morning.
Mom doesn’t have to go to the store for groceries because I went this morning.
I / study / this weekend because I have an exam next week.
I have to study this weekend because I have an exam next week.
A ... (Maria / wear) jeans to school.
B I know. That's because they have a school uniform at her school.
A Maria isn't allowed to wear (Maria / wear) jeans to school.
B I know. That's because they have a school uniform at her school.
Can you think of two things you mustn’t do on an airplane?
You mustn’t smoke on an airplane.
You mustn’t use your mobile phone during takeoff and landing.
Millie and Chris have to do the housework today. (✘)
Millie and Chris don’t have to do the housework today.
We ? chop the vegetables. Dad already did it.
We don’t have to chop the vegetables. Dad already did it.
you / eat / the bones in this fish. They can hurt your mouth.
You mustn't eat the bones in this fish. They can hurt your mouth.
A Mom, ... (I / ride) my bike to the park?
B Yes, but be careful.
A Mom, am I allowed to ride (I / ride) my bike to the park?
B Yes, but be careful.
Can you think of two things you don’t have to do on Sundays?
I don’t have to go to work on Sundays.
I don’t have to wake up early on Sundays.
She has to water the plants on Sundays. (?)
Does she have to water the plants on Sundays?
You ? drive me to school. I can walk.
You don’t have to drive me to school. I can walk.
your dog / chase / my cat! Please stop him from doing it.
Your dog mustn't chase my cat! Please stop him from doing it.
A ... (Toni / go) to the café with his friends?
B No, I don't think so.
A Is Toni allowed to go (Toni / go) to the café with his friends?
B No, I don't think so.