English verb conjugation
COULD MILDEW

Regular verb: mildew - mildewed - mildewed

Affirmation

Simple form	V-ing form
I could mildew you could mildew he could mildew we could mildew you could mildew they could mildew	I could be mildewing you could be mildewing he could be mildewing we could be mildewing you could be mildewing they could be mildewing
Perfect	V-ing perfect
I could have mildewed you could have mildewed he could have mildewed we could have mildewed you could have mildewed they could have mildewed	I could have been mildewing you could have been mildewing he could have been mildewing we could have been mildewing you could have been mildewing they could have been mildewing

Negation

Simple form	V-ing form
I could not mildew you could not mildew he could not mildew we could not mildew you could not mildew they could not mildew	I could not be mildewing you could not be mildewing he could not be mildewing we could not be mildewing you could not be mildewing they could not be mildewing
Perfect	V-ing perfect
I could not have mildewed you could not have mildewed he could not have mildewed we could not have mildewed you could not have mildewed they could not have mildewed	I could not have been mildewing you could not have been mildewing he could not have been mildewing we could not have been mildewing you could not have been mildewing they could not have been mildewing

Interrogative form

Simple form	V-ing form
could I mildew? could you mildew? could he mildew? could we mildew? could you mildew? could they mildew?	could I be mildewing? could you be mildewing? could he be mildewing? could we be mildewing? could you be mildewing? could they be mildewing?
Perfect	V-ing perfect
could I have mildewed? could you have mildewed? could he have mildewed? could we have mildewed? could you have mildewed? could they have mildewed?	could I have been mildewing? could you have been mildewing? could he have been mildewing? could we have been mildewing? could you have been mildewing? could they have been mildewing?

Interro-negative form

Simple form	V-ing form
could I not mildew? could you not mildew? could he not mildew? could we not mildew? could you not mildew? could they not mildew?	could I not be mildewing? could you not be mildewing? could he not be mildewing? could we not be mildewing? could you not be mildewing? could they not be mildewing?
Perfect	V-ing perfect
could I not have mildewed? could you not have mildewed? could he not have mildewed? could we not have mildewed? could you not have mildewed? could they not have mildewed?	could I not have been mildewing? could you not have been mildewing? could he not have been mildewing? could we not have been mildewing? could you not have been mildewing? could they not have been mildewing?