Conjugação do verbo inglês
CAN SKETCH

Verbo regular: sketch - sketched - sketched

Afirmação

Forma simple	Forma com V-ing
I can sketch you can sketch he can sketch we can sketch you can sketch they can sketch	I can be sketching you can be sketching he can be sketching we can be sketching you can be sketching they can be sketching
Perfeito	Perfeito com V-ing
I can have sketched you can have sketched he can have sketched we can have sketched you can have sketched they can have sketched	I can have been sketching you can have been sketching he can have been sketching we can have been sketching you can have been sketching they can have been sketching

Negação

Forma simple	Forma com V-ing
I can't sketch you can't sketch he can't sketch we can't sketch you can't sketch they can't sketch	I can't be sketching you can't be sketching he can't be sketching we can't be sketching you can't be sketching they can't be sketching
Perfeito	Perfeito com V-ing
I can't have sketched you can't have sketched he can't have sketched we can't have sketched you can't have sketched they can't have sketched	I can't have been sketching you can't have been sketching he can't have been sketching we can't have been sketching you can't have been sketching they can't have been sketching

Forma interrogativa

Forma simple	Forma com V-ing
can I sketch? can you sketch? can he sketch? can we sketch? can you sketch? can they sketch?	can I be sketching? can you be sketching? can he be sketching? can we be sketching? can you be sketching? can they be sketching?
Perfeito	Perfeito com V-ing
can I have sketched? can you have sketched? can he have sketched? can we have sketched? can you have sketched? can they have sketched?	can I have been sketching? can you have been sketching? can he have been sketching? can we have been sketching? can you have been sketching? can they have been sketching?

Forma interro-Negação

Forma simple	Forma com V-ing
can't I sketch? can't you sketch? can't he sketch? can't we sketch? can't you sketch? can't they sketch?	can't I be sketching? can't you be sketching? can't he be sketching? can't we be sketching? can't you be sketching? can't they be sketching?
Perfeito	Perfeito com V-ing
can't I have sketched? can't you have sketched? can't he have sketched? can't we have sketched? can't you have sketched? can't they have sketched?	can't I have been sketching? can't you have been sketching? can't he have been sketching? can't we have been sketching? can't you have been sketching? can't they have been sketching?