Conjugação do verbo inglês
CAN CHALLENGE

Verbo regular: challenge - challenged - challenged

Afirmação

Forma simple	Forma com V-ing
I can challenge you can challenge she can challenge we can challenge you can challenge they can challenge	I can be challenging you can be challenging she can be challenging we can be challenging you can be challenging they can be challenging
Perfeito	Perfeito com V-ing
I can have challenged you can have challenged she can have challenged we can have challenged you can have challenged they can have challenged	I can have been challenging you can have been challenging she can have been challenging we can have been challenging you can have been challenging they can have been challenging

Negação

Forma simple	Forma com V-ing
I cannot challenge you cannot challenge she cannot challenge we cannot challenge you cannot challenge they cannot challenge	I cannot be challenging you cannot be challenging she cannot be challenging we cannot be challenging you cannot be challenging they cannot be challenging
Perfeito	Perfeito com V-ing
I cannot have challenged you cannot have challenged she cannot have challenged we cannot have challenged you cannot have challenged they cannot have challenged	I cannot have been challenging you cannot have been challenging she cannot have been challenging we cannot have been challenging you cannot have been challenging they cannot have been challenging

Forma interrogativa

Forma simple	Forma com V-ing
can I challenge? can you challenge? can she challenge? can we challenge? can you challenge? can they challenge?	can I be challenging? can you be challenging? can she be challenging? can we be challenging? can you be challenging? can they be challenging?
Perfeito	Perfeito com V-ing
can I have challenged? can you have challenged? can she have challenged? can we have challenged? can you have challenged? can they have challenged?	can I have been challenging? can you have been challenging? can she have been challenging? can we have been challenging? can you have been challenging? can they have been challenging?

Forma interro-Negação

Forma simple	Forma com V-ing
can I not challenge? can you not challenge? can she not challenge? can we not challenge? can you not challenge? can they not challenge?	can I not be challenging? can you not be challenging? can she not be challenging? can we not be challenging? can you not be challenging? can they not be challenging?
Perfeito	Perfeito com V-ing
can I not have challenged? can you not have challenged? can she not have challenged? can we not have challenged? can you not have challenged? can they not have challenged?	can I not have been challenging? can you not have been challenging? can she not have been challenging? can we not have been challenging? can you not have been challenging? can they not have been challenging?