English verb conjugation
COULD OBJECT

Regular verb: object - objected - objected

Affirmation

Simple form	V-ing form
I could object you could object she could object we could object you could object they could object	I could be objecting you could be objecting she could be objecting we could be objecting you could be objecting they could be objecting
Perfect	V-ing perfect
I could have objected you could have objected she could have objected we could have objected you could have objected they could have objected	I could have been objecting you could have been objecting she could have been objecting we could have been objecting you could have been objecting they could have been objecting

Negation

Simple form	V-ing form
I could not object you could not object she could not object we could not object you could not object they could not object	I could not be objecting you could not be objecting she could not be objecting we could not be objecting you could not be objecting they could not be objecting
Perfect	V-ing perfect
I could not have objected you could not have objected she could not have objected we could not have objected you could not have objected they could not have objected	I could not have been objecting you could not have been objecting she could not have been objecting we could not have been objecting you could not have been objecting they could not have been objecting

Interrogative form

Simple form	V-ing form
could I object? could you object? could she object? could we object? could you object? could they object?	could I be objecting? could you be objecting? could she be objecting? could we be objecting? could you be objecting? could they be objecting?
Perfect	V-ing perfect
could I have objected? could you have objected? could she have objected? could we have objected? could you have objected? could they have objected?	could I have been objecting? could you have been objecting? could she have been objecting? could we have been objecting? could you have been objecting? could they have been objecting?

Interro-negative form

Simple form	V-ing form
could I not object? could you not object? could she not object? could we not object? could you not object? could they not object?	could I not be objecting? could you not be objecting? could she not be objecting? could we not be objecting? could you not be objecting? could they not be objecting?
Perfect	V-ing perfect
could I not have objected? could you not have objected? could she not have objected? could we not have objected? could you not have objected? could they not have objected?	could I not have been objecting? could you not have been objecting? could she not have been objecting? could we not have been objecting? could you not have been objecting? could they not have been objecting?