I could reject you could reject she could reject we could reject you could reject they could reject
V-ing form
I could be rejecting you could be rejecting she could be rejecting we could be rejecting you could be rejecting they could be rejecting
Perfect
I could have rejected you could have rejected she could have rejected we could have rejected you could have rejected they could have rejected
V-ing perfect
I could have been rejecting you could have been rejecting she could have been rejecting we could have been rejecting you could have been rejecting they could have been rejecting
Negation
Simple form
I could not reject you could not reject she could not reject we could not reject you could not reject they could not reject
V-ing form
I could not be rejecting you could not be rejecting she could not be rejecting we could not be rejecting you could not be rejecting they could not be rejecting
Perfect
I could not have rejected you could not have rejected she could not have rejected we could not have rejected you could not have rejected they could not have rejected
V-ing perfect
I could not have been rejecting you could not have been rejecting she could not have been rejecting we could not have been rejecting you could not have been rejecting they could not have been rejecting
Interrogative form
Simple form
could I reject? could you reject? could she reject? could we reject? could you reject? could they reject?
V-ing form
could I be rejecting? could you be rejecting? could she be rejecting? could we be rejecting? could you be rejecting? could they be rejecting?
Perfect
could I have rejected? could you have rejected? could she have rejected? could we have rejected? could you have rejected? could they have rejected?
V-ing perfect
could I have been rejecting? could you have been rejecting? could she have been rejecting? could we have been rejecting? could you have been rejecting? could they have been rejecting?
Interro-negative form
Simple form
could I not reject? could you not reject? could she not reject? could we not reject? could you not reject? could they not reject?
V-ing form
could I not be rejecting? could you not be rejecting? could she not be rejecting? could we not be rejecting? could you not be rejecting? could they not be rejecting?
Perfect
could I not have rejected? could you not have rejected? could she not have rejected? could we not have rejected? could you not have rejected? could they not have rejected?
V-ing perfect
could I not have been rejecting? could you not have been rejecting? could she not have been rejecting? could we not have been rejecting? could you not have been rejecting? could they not have been rejecting?