Conjugação do verbo inglês
CAN JOKE

Verbo regular: joke - joked - joked

Afirmação

Forma simple	Forma com V-ing
I can joke you can joke she can joke we can joke you can joke they can joke	I can be joking you can be joking she can be joking we can be joking you can be joking they can be joking
Perfeito	Perfeito com V-ing
I can have joked you can have joked she can have joked we can have joked you can have joked they can have joked	I can have been joking you can have been joking she can have been joking we can have been joking you can have been joking they can have been joking

Negação

Forma simple	Forma com V-ing
I cannot joke you cannot joke she cannot joke we cannot joke you cannot joke they cannot joke	I cannot be joking you cannot be joking she cannot be joking we cannot be joking you cannot be joking they cannot be joking
Perfeito	Perfeito com V-ing
I cannot have joked you cannot have joked she cannot have joked we cannot have joked you cannot have joked they cannot have joked	I cannot have been joking you cannot have been joking she cannot have been joking we cannot have been joking you cannot have been joking they cannot have been joking

Forma interrogativa

Forma simple	Forma com V-ing
can I joke? can you joke? can she joke? can we joke? can you joke? can they joke?	can I be joking? can you be joking? can she be joking? can we be joking? can you be joking? can they be joking?
Perfeito	Perfeito com V-ing
can I have joked? can you have joked? can she have joked? can we have joked? can you have joked? can they have joked?	can I have been joking? can you have been joking? can she have been joking? can we have been joking? can you have been joking? can they have been joking?

Forma interro-Negação

Forma simple	Forma com V-ing
can I not joke? can you not joke? can she not joke? can we not joke? can you not joke? can they not joke?	can I not be joking? can you not be joking? can she not be joking? can we not be joking? can you not be joking? can they not be joking?
Perfeito	Perfeito com V-ing
can I not have joked? can you not have joked? can she not have joked? can we not have joked? can you not have joked? can they not have joked?	can I not have been joking? can you not have been joking? can she not have been joking? can we not have been joking? can you not have been joking? can they not have been joking?