I could exasperate you could exasperate she could exasperate we could exasperate you could exasperate they could exasperate
V-ing form
I could be exasperating you could be exasperating she could be exasperating we could be exasperating you could be exasperating they could be exasperating
Perfect
I could have exasperated you could have exasperated she could have exasperated we could have exasperated you could have exasperated they could have exasperated
V-ing perfect
I could have been exasperating you could have been exasperating she could have been exasperating we could have been exasperating you could have been exasperating they could have been exasperating
Negation
Simple form
I could not exasperate you could not exasperate she could not exasperate we could not exasperate you could not exasperate they could not exasperate
V-ing form
I could not be exasperating you could not be exasperating she could not be exasperating we could not be exasperating you could not be exasperating they could not be exasperating
Perfect
I could not have exasperated you could not have exasperated she could not have exasperated we could not have exasperated you could not have exasperated they could not have exasperated
V-ing perfect
I could not have been exasperating you could not have been exasperating she could not have been exasperating we could not have been exasperating you could not have been exasperating they could not have been exasperating
Interrogative form
Simple form
could I exasperate? could you exasperate? could she exasperate? could we exasperate? could you exasperate? could they exasperate?
V-ing form
could I be exasperating? could you be exasperating? could she be exasperating? could we be exasperating? could you be exasperating? could they be exasperating?
Perfect
could I have exasperated? could you have exasperated? could she have exasperated? could we have exasperated? could you have exasperated? could they have exasperated?
V-ing perfect
could I have been exasperating? could you have been exasperating? could she have been exasperating? could we have been exasperating? could you have been exasperating? could they have been exasperating?
Interro-negative form
Simple form
could I not exasperate? could you not exasperate? could she not exasperate? could we not exasperate? could you not exasperate? could they not exasperate?
V-ing form
could I not be exasperating? could you not be exasperating? could she not be exasperating? could we not be exasperating? could you not be exasperating? could they not be exasperating?
Perfect
could I not have exasperated? could you not have exasperated? could she not have exasperated? could we not have exasperated? could you not have exasperated? could they not have exasperated?
V-ing perfect
could I not have been exasperating? could you not have been exasperating? could she not have been exasperating? could we not have been exasperating? could you not have been exasperating? could they not have been exasperating?