Conjugação do verbo inglês
CAN CHECKER

Verbo regular: checker - checkered - checkered

Afirmação

Forma simple	Forma com V-ing
I can checker you can checker he can checker we can checker you can checker they can checker	I can be checkering you can be checkering he can be checkering we can be checkering you can be checkering they can be checkering
Perfeito	Perfeito com V-ing
I can have checkered you can have checkered he can have checkered we can have checkered you can have checkered they can have checkered	I can have been checkering you can have been checkering he can have been checkering we can have been checkering you can have been checkering they can have been checkering

Negação

Forma simple	Forma com V-ing
I cannot checker you cannot checker he cannot checker we cannot checker you cannot checker they cannot checker	I cannot be checkering you cannot be checkering he cannot be checkering we cannot be checkering you cannot be checkering they cannot be checkering
Perfeito	Perfeito com V-ing
I cannot have checkered you cannot have checkered he cannot have checkered we cannot have checkered you cannot have checkered they cannot have checkered	I cannot have been checkering you cannot have been checkering he cannot have been checkering we cannot have been checkering you cannot have been checkering they cannot have been checkering

Forma interrogativa

Forma simple	Forma com V-ing
can I checker? can you checker? can he checker? can we checker? can you checker? can they checker?	can I be checkering? can you be checkering? can he be checkering? can we be checkering? can you be checkering? can they be checkering?
Perfeito	Perfeito com V-ing
can I have checkered? can you have checkered? can he have checkered? can we have checkered? can you have checkered? can they have checkered?	can I have been checkering? can you have been checkering? can he have been checkering? can we have been checkering? can you have been checkering? can they have been checkering?

Forma interro-Negação

Forma simple	Forma com V-ing
can I not checker? can you not checker? can he not checker? can we not checker? can you not checker? can they not checker?	can I not be checkering? can you not be checkering? can he not be checkering? can we not be checkering? can you not be checkering? can they not be checkering?
Perfeito	Perfeito com V-ing
can I not have checkered? can you not have checkered? can he not have checkered? can we not have checkered? can you not have checkered? can they not have checkered?	can I not have been checkering? can you not have been checkering? can he not have been checkering? can we not have been checkering? can you not have been checkering? can they not have been checkering?