English verb conjugation
COULD JAPAN JAPAN

Regular verb: japan japan - japan japaned - japan japaned

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could japan japan you could japan japan he could japan japan we could japan japan you could japan japan they could japan japan	I could be japan japaning you could be japan japaning he could be japan japaning we could be japan japaning you could be japan japaning they could be japan japaning
Perfect	V-ing perfect
I could have japan japaned you could have japan japaned he could have japan japaned we could have japan japaned you could have japan japaned they could have japan japaned	I could have been japan japaning you could have been japan japaning he could have been japan japaning we could have been japan japaning you could have been japan japaning they could have been japan japaning

Negation

Simple form	V-ing form
I could not japan japan you could not japan japan he could not japan japan we could not japan japan you could not japan japan they could not japan japan	I could not be japan japaning you could not be japan japaning he could not be japan japaning we could not be japan japaning you could not be japan japaning they could not be japan japaning
Perfect	V-ing perfect
I could not have japan japaned you could not have japan japaned he could not have japan japaned we could not have japan japaned you could not have japan japaned they could not have japan japaned	I could not have been japan japaning you could not have been japan japaning he could not have been japan japaning we could not have been japan japaning you could not have been japan japaning they could not have been japan japaning

Interrogative form

Simple form	V-ing form
could I japan japan? could you japan japan? could he japan japan? could we japan japan? could you japan japan? could they japan japan?	could I be japan japaning? could you be japan japaning? could he be japan japaning? could we be japan japaning? could you be japan japaning? could they be japan japaning?
Perfect	V-ing perfect
could I have japan japaned? could you have japan japaned? could he have japan japaned? could we have japan japaned? could you have japan japaned? could they have japan japaned?	could I have been japan japaning? could you have been japan japaning? could he have been japan japaning? could we have been japan japaning? could you have been japan japaning? could they have been japan japaning?

Interro-negative form

Simple form	V-ing form
could I not japan japan? could you not japan japan? could he not japan japan? could we not japan japan? could you not japan japan? could they not japan japan?	could I not be japan japaning? could you not be japan japaning? could he not be japan japaning? could we not be japan japaning? could you not be japan japaning? could they not be japan japaning?
Perfect	V-ing perfect
could I not have japan japaned? could you not have japan japaned? could he not have japan japaned? could we not have japan japaned? could you not have japan japaned? could they not have japan japaned?	could I not have been japan japaning? could you not have been japan japaning? could he not have been japan japaning? could we not have been japan japaning? could you not have been japan japaning? could they not have been japan japaning?