English verb conjugation
COULD MICROFILM

Regular verb: microfilm - microfilmed - microfilmed

Affirmation

Simple form	V-ing form
I could microfilm you could microfilm he could microfilm we could microfilm you could microfilm they could microfilm	I could be microfilming you could be microfilming he could be microfilming we could be microfilming you could be microfilming they could be microfilming
Perfect	V-ing perfect
I could have microfilmed you could have microfilmed he could have microfilmed we could have microfilmed you could have microfilmed they could have microfilmed	I could have been microfilming you could have been microfilming he could have been microfilming we could have been microfilming you could have been microfilming they could have been microfilming

Negation

Simple form	V-ing form
I could not microfilm you could not microfilm he could not microfilm we could not microfilm you could not microfilm they could not microfilm	I could not be microfilming you could not be microfilming he could not be microfilming we could not be microfilming you could not be microfilming they could not be microfilming
Perfect	V-ing perfect
I could not have microfilmed you could not have microfilmed he could not have microfilmed we could not have microfilmed you could not have microfilmed they could not have microfilmed	I could not have been microfilming you could not have been microfilming he could not have been microfilming we could not have been microfilming you could not have been microfilming they could not have been microfilming

Interrogative form

Simple form	V-ing form
could I microfilm? could you microfilm? could he microfilm? could we microfilm? could you microfilm? could they microfilm?	could I be microfilming? could you be microfilming? could he be microfilming? could we be microfilming? could you be microfilming? could they be microfilming?
Perfect	V-ing perfect
could I have microfilmed? could you have microfilmed? could he have microfilmed? could we have microfilmed? could you have microfilmed? could they have microfilmed?	could I have been microfilming? could you have been microfilming? could he have been microfilming? could we have been microfilming? could you have been microfilming? could they have been microfilming?

Interro-negative form

Simple form	V-ing form
could I not microfilm? could you not microfilm? could he not microfilm? could we not microfilm? could you not microfilm? could they not microfilm?	could I not be microfilming? could you not be microfilming? could he not be microfilming? could we not be microfilming? could you not be microfilming? could they not be microfilming?
Perfect	V-ing perfect
could I not have microfilmed? could you not have microfilmed? could he not have microfilmed? could we not have microfilmed? could you not have microfilmed? could they not have microfilmed?	could I not have been microfilming? could you not have been microfilming? could he not have been microfilming? could we not have been microfilming? could you not have been microfilming? could they not have been microfilming?