Conjugação do verbo inglês
CAN UNBUTTON

Verbo regular: unbutton - unbuttoned - unbuttoned

Afirmação

Forma simple	Forma com V-ing
I can unbutton you can unbutton she can unbutton we can unbutton you can unbutton they can unbutton	I can be unbuttoning you can be unbuttoning she can be unbuttoning we can be unbuttoning you can be unbuttoning they can be unbuttoning
Perfeito	Perfeito com V-ing
I can have unbuttoned you can have unbuttoned she can have unbuttoned we can have unbuttoned you can have unbuttoned they can have unbuttoned	I can have been unbuttoning you can have been unbuttoning she can have been unbuttoning we can have been unbuttoning you can have been unbuttoning they can have been unbuttoning

Negação

Forma simple	Forma com V-ing
I can't unbutton you can't unbutton she can't unbutton we can't unbutton you can't unbutton they can't unbutton	I can't be unbuttoning you can't be unbuttoning she can't be unbuttoning we can't be unbuttoning you can't be unbuttoning they can't be unbuttoning
Perfeito	Perfeito com V-ing
I can't have unbuttoned you can't have unbuttoned she can't have unbuttoned we can't have unbuttoned you can't have unbuttoned they can't have unbuttoned	I can't have been unbuttoning you can't have been unbuttoning she can't have been unbuttoning we can't have been unbuttoning you can't have been unbuttoning they can't have been unbuttoning

Forma interrogativa

Forma simple	Forma com V-ing
can I unbutton? can you unbutton? can she unbutton? can we unbutton? can you unbutton? can they unbutton?	can I be unbuttoning? can you be unbuttoning? can she be unbuttoning? can we be unbuttoning? can you be unbuttoning? can they be unbuttoning?
Perfeito	Perfeito com V-ing
can I have unbuttoned? can you have unbuttoned? can she have unbuttoned? can we have unbuttoned? can you have unbuttoned? can they have unbuttoned?	can I have been unbuttoning? can you have been unbuttoning? can she have been unbuttoning? can we have been unbuttoning? can you have been unbuttoning? can they have been unbuttoning?

Forma interro-Negação

Forma simple	Forma com V-ing
can't I unbutton? can't you unbutton? can't she unbutton? can't we unbutton? can't you unbutton? can't they unbutton?	can't I be unbuttoning? can't you be unbuttoning? can't she be unbuttoning? can't we be unbuttoning? can't you be unbuttoning? can't they be unbuttoning?
Perfeito	Perfeito com V-ing
can't I have unbuttoned? can't you have unbuttoned? can't she have unbuttoned? can't we have unbuttoned? can't you have unbuttoned? can't they have unbuttoned?	can't I have been unbuttoning? can't you have been unbuttoning? can't she have been unbuttoning? can't we have been unbuttoning? can't you have been unbuttoning? can't they have been unbuttoning?