Modals are a type of auxiliary (helping) verbs that are used to express: ability, possibility, permission or obligation.
I canride a cycle.
Hecan speak French.
Shecandrive a car.
You can swim very well.
We can learn playing cricket easily.
to add the infinitive after ‘can’.
She can swim.
You can drive fast.
Seema can ride a bike.
They can speak French.
Wecan play the sitar.
add ‘n’t’ or ‘not’ for negatives.
She can’t drive a car.
She cannot drivea car.
Can he speak English? No, he can’t.
Can he speak English? No, he cannot.
We say… We don’t say…
Can sheplay chess? Yes she can. (NOT She can play chess? Yes, she play
Can he drive a bus? Yes he can. (NOT He can drivea bus? Yes, he drive a bus.)
(We use ‘can’ at the beginning of a normal question, so we say:Can + pronoun + infinitive? If we want to show surprise,we can say:Pronoun + can + infinitive?)