You should go to the doctor.
I was at the library.
You should drink eat warm soup.
You shouldn't swim.
I've got a toothache.
Expressing opinions
I was at school
Making requests
Giving instructions
Helps convey meaning effectively
I've got a headache.
I believe that we should go
I was at the zoo.
You shouldn't eat sweet.
I've got a sore throat
Facilitates communication
I've got a cough.
I was at home.
Could you pass me the salt?
Enables interaction in various contexts
Please turn off the lights