Conjugação do verbo inglês
CAN SKI

Verbo regular: ski - skied - skied

Afirmação

Forma simple	Forma com V-ing
I can ski you can ski he can ski we can ski you can ski they can ski	I can be skiing you can be skiing he can be skiing we can be skiing you can be skiing they can be skiing
Perfeito	Perfeito com V-ing
I can have skied you can have skied he can have skied we can have skied you can have skied they can have skied	I can have been skiing you can have been skiing he can have been skiing we can have been skiing you can have been skiing they can have been skiing

Negação

Forma simple	Forma com V-ing
I cannot ski you cannot ski he cannot ski we cannot ski you cannot ski they cannot ski	I cannot be skiing you cannot be skiing he cannot be skiing we cannot be skiing you cannot be skiing they cannot be skiing
Perfeito	Perfeito com V-ing
I cannot have skied you cannot have skied he cannot have skied we cannot have skied you cannot have skied they cannot have skied	I cannot have been skiing you cannot have been skiing he cannot have been skiing we cannot have been skiing you cannot have been skiing they cannot have been skiing

Forma interrogativa

Forma simple	Forma com V-ing
can I ski? can you ski? can he ski? can we ski? can you ski? can they ski?	can I be skiing? can you be skiing? can he be skiing? can we be skiing? can you be skiing? can they be skiing?
Perfeito	Perfeito com V-ing
can I have skied? can you have skied? can he have skied? can we have skied? can you have skied? can they have skied?	can I have been skiing? can you have been skiing? can he have been skiing? can we have been skiing? can you have been skiing? can they have been skiing?

Forma interro-Negação

Forma simple	Forma com V-ing
can I not ski? can you not ski? can he not ski? can we not ski? can you not ski? can they not ski?	can I not be skiing? can you not be skiing? can he not be skiing? can we not be skiing? can you not be skiing? can they not be skiing?
Perfeito	Perfeito com V-ing
can I not have skied? can you not have skied? can he not have skied? can we not have skied? can you not have skied? can they not have skied?	can I not have been skiing? can you not have been skiing? can he not have been skiing? can we not have been skiing? can you not have been skiing? can they not have been skiing?