He is sick so he ________ stop drinking so much
should
Giving advice
should
You should to visit Sydney one day.
You should visit Sydney one day.
To have a pain in your stomch
Stomach-ache
He ___________ wait a long time because the bus was late.
had to
Giving strong advice
must
She don't have to work late tonight.
She doesn't have to work late tonight.
What you do when you drink water or eat food.
To swallow
We ___________ bring any money because the excursion is free.
don't have to
A personal obligation
must
I don't think you should listen to her advices.
I don't think you should listen to her advice.
When you eat something bad.
To have food poisoning.
My mum __________ work because she has enough money.
doesn't have to
Outside obligation
have to
You don't have to smoke on aeroplanes.
You mustn't smoke on aeroplanes.
A symptom of a cold
Sore throat, runny nose
Last week I _________ water the garden because it rained.
didn't have to
No obligation
don't have to
Do you think should I go to the doctor?
When you need to go to the toilet often.
To have diahorrea.