I can babysit you can babysit he can babysit we can babysit you can babysit they can babysit
Forma com V-ing
I can be babysiting you can be babysiting he can be babysiting we can be babysiting you can be babysiting they can be babysiting
Perfeito
I can have babysat you can have babysat he can have babysat we can have babysat you can have babysat they can have babysat
Perfeito com V-ing
I can have been babysiting you can have been babysiting he can have been babysiting we can have been babysiting you can have been babysiting they can have been babysiting
Negação
Forma simple
I can't babysit you can't babysit he can't babysit we can't babysit you can't babysit they can't babysit
Forma com V-ing
I can't be babysiting you can't be babysiting he can't be babysiting we can't be babysiting you can't be babysiting they can't be babysiting
Perfeito
I can't have babysat you can't have babysat he can't have babysat we can't have babysat you can't have babysat they can't have babysat
Perfeito com V-ing
I can't have been babysiting you can't have been babysiting he can't have been babysiting we can't have been babysiting you can't have been babysiting they can't have been babysiting
Forma interrogativa
Forma simple
can I babysit? can you babysit? can he babysit? can we babysit? can you babysit? can they babysit?
Forma com V-ing
can I be babysiting? can you be babysiting? can he be babysiting? can we be babysiting? can you be babysiting? can they be babysiting?
Perfeito
can I have babysat? can you have babysat? can he have babysat? can we have babysat? can you have babysat? can they have babysat?
Perfeito com V-ing
can I have been babysiting? can you have been babysiting? can he have been babysiting? can we have been babysiting? can you have been babysiting? can they have been babysiting?
Forma interro-Negação
Forma simple
can't I babysit? can't you babysit? can't he babysit? can't we babysit? can't you babysit? can't they babysit?
Forma com V-ing
can't I be babysiting? can't you be babysiting? can't he be babysiting? can't we be babysiting? can't you be babysiting? can't they be babysiting?
Perfeito
can't I have babysat? can't you have babysat? can't he have babysat? can't we have babysat? can't you have babysat? can't they have babysat?
Perfeito com V-ing
can't I have been babysiting? can't you have been babysiting? can't he have been babysiting? can't we have been babysiting? can't you have been babysiting? can't they have been babysiting?