I can babysit you can babysit he can babysit we can babysit you can babysit they can babysit
Forma con 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
Perfecto
I can have babysat you can have babysat he can have babysat we can have babysat you can have babysat they can have babysat
Perfecto con 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
Negación
Forma simple
I cannot babysit you cannot babysit he cannot babysit we cannot babysit you cannot babysit they cannot babysit
Forma con V-ing
I cannot be babysiting you cannot be babysiting he cannot be babysiting we cannot be babysiting you cannot be babysiting they cannot be babysiting
Perfecto
I cannot have babysat you cannot have babysat he cannot have babysat we cannot have babysat you cannot have babysat they cannot have babysat
Perfecto con V-ing
I cannot have been babysiting you cannot have been babysiting he cannot have been babysiting we cannot have been babysiting you cannot have been babysiting they cannot 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 con 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?
Perfecto
can I have babysat? can you have babysat? can he have babysat? can we have babysat? can you have babysat? can they have babysat?
Perfecto con 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-negativa
Forma simple
can I not babysit? can you not babysit? can he not babysit? can we not babysit? can you not babysit? can they not babysit?
Forma con V-ing
can I not be babysiting? can you not be babysiting? can he not be babysiting? can we not be babysiting? can you not be babysiting? can they not be babysiting?
Perfecto
can I not have babysat? can you not have babysat? can he not have babysat? can we not have babysat? can you not have babysat? can they not have babysat?
Perfecto con V-ing
can I not have been babysiting? can you not have been babysiting? can he not have been babysiting? can we not have been babysiting? can you not have been babysiting? can they not have been babysiting?