Conjugação do verbo inglês
CAN BUTTON

Verbo regular: button - buttoned - buttoned

Afirmação

Forma simple	Forma com V-ing
I can button you can button she can button we can button you can button they can button	I can be buttoning you can be buttoning she can be buttoning we can be buttoning you can be buttoning they can be buttoning
Perfeito	Perfeito com V-ing
I can have buttoned you can have buttoned she can have buttoned we can have buttoned you can have buttoned they can have buttoned	I can have been buttoning you can have been buttoning she can have been buttoning we can have been buttoning you can have been buttoning they can have been buttoning

Negação

Forma simple	Forma com V-ing
I cannot button you cannot button she cannot button we cannot button you cannot button they cannot button	I cannot be buttoning you cannot be buttoning she cannot be buttoning we cannot be buttoning you cannot be buttoning they cannot be buttoning
Perfeito	Perfeito com V-ing
I cannot have buttoned you cannot have buttoned she cannot have buttoned we cannot have buttoned you cannot have buttoned they cannot have buttoned	I cannot have been buttoning you cannot have been buttoning she cannot have been buttoning we cannot have been buttoning you cannot have been buttoning they cannot have been buttoning

Forma interrogativa

Forma simple	Forma com V-ing
can I button? can you button? can she button? can we button? can you button? can they button?	can I be buttoning? can you be buttoning? can she be buttoning? can we be buttoning? can you be buttoning? can they be buttoning?
Perfeito	Perfeito com V-ing
can I have buttoned? can you have buttoned? can she have buttoned? can we have buttoned? can you have buttoned? can they have buttoned?	can I have been buttoning? can you have been buttoning? can she have been buttoning? can we have been buttoning? can you have been buttoning? can they have been buttoning?

Forma interro-Negação

Forma simple	Forma com V-ing
can I not button? can you not button? can she not button? can we not button? can you not button? can they not button?	can I not be buttoning? can you not be buttoning? can she not be buttoning? can we not be buttoning? can you not be buttoning? can they not be buttoning?
Perfeito	Perfeito com V-ing
can I not have buttoned? can you not have buttoned? can she not have buttoned? can we not have buttoned? can you not have buttoned? can they not have buttoned?	can I not have been buttoning? can you not have been buttoning? can she not have been buttoning? can we not have been buttoning? can you not have been buttoning? can they not have been buttoning?