Affirmative
Negative
Question
In the real world
100
To say David has the skill to speak three languages, you use this modal.
David can speak three languages
100
You ________ smoke inside the hospital; it is strictly forbidden.
CAN'T (CANNOT)
100
[Situation: You are at a friend's house and it's cold.] Ask for permission to close the window using 'Could'
COULD I CLOSE THE WINDOW?
100
At YOLA, you _________________ English all the time.
You MUST speak English all the time
200
Are your teeth hurt? I think you ___ visit the dentist.
you SHOULD visit the dentist
200
You _____________ to bring food because I already prepared some spaghetti.
DON'T NEED TO / DON'T HAVE TO / NEEDN'T
200
[Situation: You are lost.] Ask a passerby for advice on which bus you should take
CAN/COULD you tell which bus should I take?
200
MAKE A PHRASE WITH THIS SIGN:
You _________ in the library.
CAN'T / MUSTN'T TALK
300
When a rule is very strict (like at a mosque, a pagoda), you say "You ___ take off your shoes."
You HAVE TO take off your shoes
300
You ________ forget to bring your passport, or they won't let you board the plane.
You MUSTN'T forget to bring your passport, or they won't let you board the plane.
300
[Situation: A coworker looks stressed.] Ask if there is a possibility that they need help using 'May'.
MAY I help you?
300
Without a telescope, you ________ see the moons of Jupiter, but you can see the planet itself."
CAN'T / COULDN'T
400
What's the difference between "must" and "have to"?
Must is for laws and rules made by the government. Have to is for regulations by local authorities.
400
I ________ understand a word the professor was saying during yesterday's lecture because the other students were so loud.
COULDN'T
400
[Situation: You are at a museum.] Form a question to ask if it is an obligation to leave your bags in a locker.
DO I HAVE TO leave my bags in a locker?
400
In some cultures, you ________ (not) point your feet at people as it is considered disrespectful.
MUSTN'T / SHOULDN'T
500
When I lived in Italy as a child, I ________ swim across the entire bay without getting tired.
I COULD swim across the entire bay without getting tired
500
Ms. Quynh CAN'T _________________.
(Do you remember facts about me?)
DRIVE A CAR
500
[Situation: Speculating about a loud noise.] Form a question asking if it’s possible that the noise was an explosion, using 'Might' + Present Perfect
MIGHT the noise have been an explosion? / MIGHT that have been an explosion?
500
Certain species of jellyfish are so small that they ________ be seen by the naked eye; you need a microscope
CAN'T