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 can't checker you can't checker he can't checker we can't checker you can't checker they can't checker	I can't be checkering you can't be checkering he can't be checkering we can't be checkering you can't be checkering they can't be checkering
Perfeito	Perfeito com V-ing
I can't have checkered you can't have checkered he can't have checkered we can't have checkered you can't have checkered they can't have checkered	I can't have been checkering you can't have been checkering he can't have been checkering we can't have been checkering you can't have been checkering they can't 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't I checker? can't you checker? can't he checker? can't we checker? can't you checker? can't they checker?	can't I be checkering? can't you be checkering? can't he be checkering? can't we be checkering? can't you be checkering? can't they be checkering?
Perfeito	Perfeito com V-ing
can't I have checkered? can't you have checkered? can't he have checkered? can't we have checkered? can't you have checkered? can't they have checkered?	can't I have been checkering? can't you have been checkering? can't he have been checkering? can't we have been checkering? can't you have been checkering? can't they have been checkering?