I could berate you could berate she could berate we could berate you could berate they could berate
V-ing form
I could be berating you could be berating she could be berating we could be berating you could be berating they could be berating
Perfect
I could have berated you could have berated she could have berated we could have berated you could have berated they could have berated
V-ing perfect
I could have been berating you could have been berating she could have been berating we could have been berating you could have been berating they could have been berating
Negation
Simple form
I couldn't berate you couldn't berate she couldn't berate we couldn't berate you couldn't berate they couldn't berate
V-ing form
I couldn't be berating you couldn't be berating she couldn't be berating we couldn't be berating you couldn't be berating they couldn't be berating
Perfect
I couldn't have berated you couldn't have berated she couldn't have berated we couldn't have berated you couldn't have berated they couldn't have berated
V-ing perfect
I couldn't have been berating you couldn't have been berating she couldn't have been berating we couldn't have been berating you couldn't have been berating they couldn't have been berating
Interrogative form
Simple form
could I berate? could you berate? could she berate? could we berate? could you berate? could they berate?
V-ing form
could I be berating? could you be berating? could she be berating? could we be berating? could you be berating? could they be berating?
Perfect
could I have berated? could you have berated? could she have berated? could we have berated? could you have berated? could they have berated?
V-ing perfect
could I have been berating? could you have been berating? could she have been berating? could we have been berating? could you have been berating? could they have been berating?
Interro-negative form
Simple form
couldn't I berate? couldn't you berate? couldn't she berate? couldn't we berate? couldn't you berate? couldn't they berate?
V-ing form
couldn't I be berating? couldn't you be berating? couldn't she be berating? couldn't we be berating? couldn't you be berating? couldn't they be berating?
Perfect
couldn't I have berated? couldn't you have berated? couldn't she have berated? couldn't we have berated? couldn't you have berated? couldn't they have berated?
V-ing perfect
couldn't I have been berating? couldn't you have been berating? couldn't she have been berating? couldn't we have been berating? couldn't you have been berating? couldn't they have been berating?