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 couldn't expend you couldn't expend she couldn't expend we couldn't expend you couldn't expend they couldn't expend	I couldn't be expending you couldn't be expending she couldn't be expending we couldn't be expending you couldn't be expending they couldn't be expending
Perfect	V-ing perfect
I couldn't have expended you couldn't have expended she couldn't have expended we couldn't have expended you couldn't have expended they couldn't have expended	I couldn't have been expending you couldn't have been expending she couldn't have been expending we couldn't have been expending you couldn't have been expending they couldn't 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
couldn't I expend? couldn't you expend? couldn't she expend? couldn't we expend? couldn't you expend? couldn't they expend?	couldn't I be expending? couldn't you be expending? couldn't she be expending? couldn't we be expending? couldn't you be expending? couldn't they be expending?
Perfect	V-ing perfect
couldn't I have expended? couldn't you have expended? couldn't she have expended? couldn't we have expended? couldn't you have expended? couldn't they have expended?	couldn't I have been expending? couldn't you have been expending? couldn't she have been expending? couldn't we have been expending? couldn't you have been expending? couldn't they have been expending?