English verb conjugation
COULD EXPEND

Regular verb: expend - expended - expended

Affirmation

Simple form	V-ing form
I could expend you could expend she could expend we could expend you could expend they could expend	I could be expending you could be expending she could be expending we could be expending you could be expending they could be expending
Perfect	V-ing perfect
I could have expended you could have expended she could have expended we could have expended you could have expended they could have expended	I could have been expending you could have been expending she could have been expending we could have been expending you could have been expending they could have been expending

Negation

Simple form	V-ing form
I could not expend you could not expend she could not expend we could not expend you could not expend they could not expend	I could not be expending you could not be expending she could not be expending we could not be expending you could not be expending they could not be expending
Perfect	V-ing perfect
I could not have expended you could not have expended she could not have expended we could not have expended you could not have expended they could not have expended	I could not have been expending you could not have been expending she could not have been expending we could not have been expending you could not have been expending they could not have been expending

Interrogative form

Simple form	V-ing form
could I expend? could you expend? could she expend? could we expend? could you expend? could they expend?	could I be expending? could you be expending? could she be expending? could we be expending? could you be expending? could they be expending?
Perfect	V-ing perfect
could I have expended? could you have expended? could she have expended? could we have expended? could you have expended? could they have expended?	could I have been expending? could you have been expending? could she have been expending? could we have been expending? could you have been expending? could they have been expending?

Interro-negative form

Simple form	V-ing form
could I not expend? could you not expend? could she not expend? could we not expend? could you not expend? could they not expend?	could I not be expending? could you not be expending? could she not be expending? could we not be expending? could you not be expending? could they not be expending?
Perfect	V-ing perfect
could I not have expended? could you not have expended? could she not have expended? could we not have expended? could you not have expended? could they not have expended?	could I not have been expending? could you not have been expending? could she not have been expending? could we not have been expending? could you not have been expending? could they not have been expending?