Can / can’t Ability Permission TEACHER: Paola Velez Aliaga Semestre: VI
Expressing ability We use the modal verb “Can” to express that we know how to do something . The negative form is “ can’t ” or “ cannot ” (more formal). “Can” and “ can’t ” are always followed by a verb in the infinitive .
Read the following sentences .
My brother can play the piano.
Michael Phelps can swim very well .
The girl can ride a bike .
The babies ca n’t read .
He ca n’t run 10 km.
Can dogs speak ? No , they can’t .
Can cats climb trees ? Yes, they can .
Can you speak English ? we Yes, you can . I
Expressing permission We also use can / can’t to ask for and give permission .
Can I go to the toilet , please ?
Yes, you can.
Can I speak to Homer Simpson, please ?
No, you can’t . He’s sleeping at the moment .
Requests And we use “can” to ask somebody to do something ! Can you …….., please ?