Choose
In our school, we _____ wear a uniform – we can wear what we like.
don't have to
"Don't have to" means there is no obligation or requirement. The school doesn't require uniforms, so students are free to wear what they like.
You asked me what you should to do.
You asked me what you should do. (remove "to")
Modal verbs (should, must, can, etc.) are followed by the base form of the verb without "to". "Should do" not "should to do".
Be careful! Don't _____ your hand on that hot pan!
burn
"You really _____ worry. Flying is the safest way to travel."
shouldn't
Shouldn't" means "should not" - giving advice not to do something. The speaker is advising against worrying because there's no good reason to worry.
There is _____ wrong with my computer, but I don't know what.
something
"Something" (some + thing) is used in positive statements when we don't know exactly what. There is a problem, but it's unidentified.
I hit my nose and it started to _____.
bleed
You _____ cover your mouth when you cough or you'll spread germs.
should
"Should" gives advice or a recommendation. It's the right thing to do for hygiene reasons, but it's not a strict rule.
"You don't have to be worry about me."
You don't have to worry about me. (remove "be")
After "have to", we use the base form of the main verb directly. "Worry" is already a verb, so "be" is unnecessary.
I _____ my finger. It really hurts.
cut
"No, we _____ bring any towels – the hotel provides them."
don't have to
"Don't have to" means there is no necessity or obligation. Since the hotel provides towels, bringing them is unnecessary.
I heard a noise. I think there's _____ outside.
someone
"Someone" (some + one) refers to an unidentified person. The speaker thinks a person is outside but doesn't know who.
I injured my hand, and it took about six weeks for it to _____.
recover
You _____ pay attention when people are speaking – it's polite to listen.
ought to
Ought to" expresses a moral obligation or what is considered proper behavior. It's about being polite and respectful.
"The girls mustn't to eat fish. They're allergic."
The girls mustn't eat fish. They're allergic. (remove "to")
"Mustn't" is a modal verb and is followed by the base form without "to". The pattern is: mustn't + base verb.
If you work with a computer a lot, you need to make sure you _____ properly.
blink
"_____ I bring a towel for the beach?"
Should
"Should" in a question asks for advice or recommendation. Mikaela is asking whether it would be a good idea to bring a towel.
Tom is so clever. He knows _____.
everything
"Everything" (every + thing) means all things. This is an exaggeration to show Tom is very knowledgeable.
I wear a helmet when I'm cycling. I don't want to _____ myself.
injure
In some countries you _____ pay for an X-ray, but here it's free.
have to
"Have to" indicates an external obligation or requirement. In those countries, it's a legal or systemic requirement to pay.
"You no shouldn't eat a lot before swimming."
You shouldn't eat a lot before swimming. (remove "no")
"Shouldn't" already contains the negative meaning (should + not). Adding "no" creates a double negative, which is incorrect in standard English.
When I'm resting, my heart _____ more slowly.
beats
"You _____ forget to bring your passport, OK?"
mustn't
"Mustn't" expresses strong prohibition or something absolutely necessary not to do. Forgetting a passport would prevent travel, so this is a strong warning.
The train was full. There was _____ for me to sit.
nowhere
Nowhere" (no + where) means no place at all. The train was completely full, so there wasn't any place available to sit.
"I've looked _____, but I can't find my keys."
everywhere
"Everywhere" (every + where) means in all places. The person has searched in every possible location but still can't find the keys.
You _____ put water on a fat fire – it's extremely dangerous. You'll get burned.
mustn't
"Mustn't" expresses prohibition - something you absolutely must not do. This is a strong warning because it's dangerous.
"I think you ought see a doctor soon."
I think you ought to see a doctor soon. (add "to")
Ought" is unique among modals - it must be followed by "to" before the base verb. The pattern is: ought to + base verb.
People _____ when they feel tired and bored.
yawn
"We _____ be at the airport in seven hours."
have to
"Have to" expresses necessity or obligation. They must be at the airport at a specific time - it's a requirement for their flight.
I invited _____ I know to the party, and they all said 'yes'!
everyone
"Everyone" (every + one) means all people. The speaker invited every single person they know.
When I was cooking, I _____ my hand on the fire.
burned