Complete the sentence: "If you're finished with dinner, you _____ have dessert."
can / may / are allowed to
What does this sign express: Obligation, prohibition, or permission?
Prohibition (no parking here)
What does this sign express: Obligation, prohibition, or permission?
Prohibition (no parking around this sign)
What does this sign express: Obligation, prohibition, or permission?
Prohibition (you may not enter this way)
Complete the sentence: "You __________ get water from that tap. It's not safe to drink!"
shouldn’t / mustn't / can't
What does this sign express: Obligation, prohibition, or permission?
Permission (you may come in)
Which of the following is a modal of permission? Don't, might, may.
may
Complete the sentence: "You _____ now kiss the bride."
may / can
Which of the following is a modal of obligation? Need to, could, can't.
need to
Is this sentence correct? "We needn't fight about things that don't matter."
Correct
Complete the sentence: "You ____________ climb up the volcano today; there's smoke near the top."
shouldn't / mustn't / can’t / are not allowed to
Is this sentence correct? "You haven't to wear a jacket unless it's cold."
Incorrect: "You don't have to wear a jacket unless it's cold."
What does this sign express: Obligation, prohibition, or permission?
Obligation (you must stop)
Is this sentence correct? "I'm need to wear a helmet when I'm riding on my skateboard."
Incorrect: "I need to wear a helmet when I'm riding on my skateboard."
Which of the following is a modal of prohibition? Don't have to, allowed to, mustn't.
mustn't
Is this sentence correct? "You have to try the new noodle restaurant next door."
Correct
What does this sign express: Obligation, prohibition, or permission?
Permission (you may cross the road)
Complete the sentence: "You ________ pay attention and take good notes in class so you can get a better grade."
should / ought to / must / need to / have to
What does this sign express: Obligation, prohibition, or permission?
Obligation (you must only go this way)
Complete the sentence: "She ________ drive her car to the store; it's right around the block, so she can easily walk there."
needn't / doesn't need to / doesn't have to
Complete the sentence: "If you want to work at a construction site, you ___________ wear a hat and gloves."
must / have to / need to
What does this sign express: Obligation, prohibition, or permission?
Obligation (you must slow down)
Complete the sentence: "My best friend is in the hospital. I _______ go visit him to cheer him up."
should / ought to
Is this sentence correct? "You can order seafood, but you mustn’t get anything too expensive."
Correct
Complete the sentence: "You ________ use a telescope to see the planet Mars in the sky, but it helps a lot."
needn't / don't need to / don't have to
Is this sentence correct? "She didn't need to bring her umbrella because it wasn't raining."
Correct
What does this sign express: Obligation, prohibition, or permission?
Prohibition (you may not cross the road)
Complete the sentence: "You ______ bring pets with you when you stay at this hotel."
can / may / are allowed to
Complete the sentence: "The door isn't locked, so you ________ come in any time you want."
can / may
Is this sentence correct? "You shouldn't to ride your bicycle in the rain."
Incorrect: "You shouldn't ride your bicycle in the rain"
Is this sentence correct? "They don't have to filling in the form unless they are coming on the excursion."
Incorrect: "They don't have to fill in the form unless they are coming on the excursion."
What does this sign express: Obligation, prohibition, or permission?
Prohibition (you may not go faster than 40 mph) or Obligation (you must go slower than 40 mph)
Complete the sentence: "Sorry, the dog ________ come into the house."
can't / mustn't / is not allowed to
What does this sign express: Obligation, prohibition, or permission?
Permission (you may press this button for attention)