I can babysit you can babysit she can babysit we can babysit you can babysit they can babysit
Forma con V-ing
I can be babysiting you can be babysiting she can be babysiting we can be babysiting you can be babysiting they can be babysiting
Perfecto
I can have babysat you can have babysat she 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 she can have been babysiting we can have been babysiting you can have been babysiting they can have been babysiting
Negación
Forma simple
I can't babysit you can't babysit she can't babysit we can't babysit you can't babysit they can't babysit
Forma con V-ing
I can't be babysiting you can't be babysiting she can't be babysiting we can't be babysiting you can't be babysiting they can't be babysiting
Perfecto
I can't have babysat you can't have babysat she can't have babysat we can't have babysat you can't have babysat they can't have babysat
Perfecto con V-ing
I can't have been babysiting you can't have been babysiting she 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 she babysit? can we babysit? can you babysit? can they babysit?
Forma con V-ing
can I be babysiting? can you be babysiting? can she be babysiting? can we be babysiting? can you be babysiting? can they be babysiting?
Perfecto
can I have babysat? can you have babysat? can she 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 she have been babysiting? can we have been babysiting? can you have been babysiting? can they have been babysiting?
Forma interro-negativa
Forma simple
can't I babysit? can't you babysit? can't she babysit? can't we babysit? can't you babysit? can't they babysit?
Forma con V-ing
can't I be babysiting? can't you be babysiting? can't she be babysiting? can't we be babysiting? can't you be babysiting? can't they be babysiting?
Perfecto
can't I have babysat? can't you have babysat? can't she have babysat? can't we have babysat? can't you have babysat? can't they have babysat?
Perfecto con V-ing
can't I have been babysiting? can't you have been babysiting? can't she have been babysiting? can't we have been babysiting? can't you have been babysiting? can't they have been babysiting?