I can kitten you can kitten she can kitten we can kitten you can kitten they can kitten
Forma com V-ing
I can be kittening you can be kittening she can be kittening we can be kittening you can be kittening they can be kittening
Perfeito
I can have kittened you can have kittened she can have kittened we can have kittened you can have kittened they can have kittened
Perfeito com V-ing
I can have been kittening you can have been kittening she can have been kittening we can have been kittening you can have been kittening they can have been kittening
Negação
Forma simple
I can't kitten you can't kitten she can't kitten we can't kitten you can't kitten they can't kitten
Forma com V-ing
I can't be kittening you can't be kittening she can't be kittening we can't be kittening you can't be kittening they can't be kittening
Perfeito
I can't have kittened you can't have kittened she can't have kittened we can't have kittened you can't have kittened they can't have kittened
Perfeito com V-ing
I can't have been kittening you can't have been kittening she can't have been kittening we can't have been kittening you can't have been kittening they can't have been kittening
Forma interrogativa
Forma simple
can I kitten? can you kitten? can she kitten? can we kitten? can you kitten? can they kitten?
Forma com V-ing
can I be kittening? can you be kittening? can she be kittening? can we be kittening? can you be kittening? can they be kittening?
Perfeito
can I have kittened? can you have kittened? can she have kittened? can we have kittened? can you have kittened? can they have kittened?
Perfeito com V-ing
can I have been kittening? can you have been kittening? can she have been kittening? can we have been kittening? can you have been kittening? can they have been kittening?
Forma interro-Negação
Forma simple
can't I kitten? can't you kitten? can't she kitten? can't we kitten? can't you kitten? can't they kitten?
Forma com V-ing
can't I be kittening? can't you be kittening? can't she be kittening? can't we be kittening? can't you be kittening? can't they be kittening?
Perfeito
can't I have kittened? can't you have kittened? can't she have kittened? can't we have kittened? can't you have kittened? can't they have kittened?
Perfeito com V-ing
can't I have been kittening? can't you have been kittening? can't she have been kittening? can't we have been kittening? can't you have been kittening? can't they have been kittening?