Necessary or optional? Use have to or don't have to
Have
Mix!
100
Turn off your phone in the movie theater.
You should turn off your phone in the movie theater.
100
You _________ (drink) alcohol when you are under 18 in the U.S.
Must not drink or can't drink
100
You ___________(pass) a test if you want to drive in the U.S.
You have to pass
100
What time ____ we _______ (leave) tomorrow?
do we have to leave
100
Is the following statement, necessary, not necessary, or against the rules?
Get a visa for a two-week visit in Saudi Arabia.
necessary
200
Don't discuss private issues in public.
You shouldn't discuss private issues in public.
200
Drivers _________(stop) when they see a Stop sign.
Must stop
200
It's a good idea to try new foods when you visit someone's house, but if you really don't like the food, you _________ eat it.
you don't have to eat it
200
He ______(stop) eating sugar last year because he found out he had diabetes.
he had to stop
200
Correct the error:
She must to have breakfast everyday, otherwise she doesn't feel very well.
she must have
300
Never text while you are driving.
You had better not text while you are driving.
300
When you see a Yield sign, you __________(stop), but you _________(slow) down.
you don't have to stop, but you must slow down
300
You ____________ vote in the U.S. if there is an election.
you don't have to vote
300
She ___________(not pay) for groceries this week because she won a gift certificate to the supermarket.
She hasn't had to pay
300
correct the error:
She had better not to go to bed too late. She has an early meeting the morning.
She had better not go
400
Pay attention to people while they are talking.
You should pay attention to people while they are talking.
400
Students __________ (cheat) on tests, otherwise they will be kicked out of school.
must not, can't
400
You _____________wait to cross the street until the sign flashes the "walk" signal, otherwise you could get a fine from the police.
You have to wait
400
The bus is finally here! We ___________(not wait) anymore! Yesss!
We don't have to wait
400
Fill in the blank:
They_________(have) a lot of security at the restaurant when the president comes.
They must have, they have to have
500
Go to bed early.
You ought to go to bed early.
500
Driving laws are different in every country. You _________(know) the rules before you start driving in a new place.
have to, must know
500
If you are a child at airport security, you _________ (take) off your shoes to go through the metal detector, but if you are an adult, you _________ (take) off your shoes and follow directions closely.
500
We ____________(not use) our phones yesterday because we used Skype on our laptops instead.
We didn't have to use
500
Find 2 errors:
They must not to eat and drink in the classrooms. It's prohibited. They can smoke inside as well.