I could reverberate you could reverberate she could reverberate we could reverberate you could reverberate they could reverberate
V-ing form
I could be reverberating you could be reverberating she could be reverberating we could be reverberating you could be reverberating they could be reverberating
Perfect
I could have reverberated you could have reverberated she could have reverberated we could have reverberated you could have reverberated they could have reverberated
V-ing perfect
I could have been reverberating you could have been reverberating she could have been reverberating we could have been reverberating you could have been reverberating they could have been reverberating
Negation
Simple form
I could not reverberate you could not reverberate she could not reverberate we could not reverberate you could not reverberate they could not reverberate
V-ing form
I could not be reverberating you could not be reverberating she could not be reverberating we could not be reverberating you could not be reverberating they could not be reverberating
Perfect
I could not have reverberated you could not have reverberated she could not have reverberated we could not have reverberated you could not have reverberated they could not have reverberated
V-ing perfect
I could not have been reverberating you could not have been reverberating she could not have been reverberating we could not have been reverberating you could not have been reverberating they could not have been reverberating
Interrogative form
Simple form
could I reverberate? could you reverberate? could she reverberate? could we reverberate? could you reverberate? could they reverberate?
V-ing form
could I be reverberating? could you be reverberating? could she be reverberating? could we be reverberating? could you be reverberating? could they be reverberating?
Perfect
could I have reverberated? could you have reverberated? could she have reverberated? could we have reverberated? could you have reverberated? could they have reverberated?
V-ing perfect
could I have been reverberating? could you have been reverberating? could she have been reverberating? could we have been reverberating? could you have been reverberating? could they have been reverberating?
Interro-negative form
Simple form
could I not reverberate? could you not reverberate? could she not reverberate? could we not reverberate? could you not reverberate? could they not reverberate?
V-ing form
could I not be reverberating? could you not be reverberating? could she not be reverberating? could we not be reverberating? could you not be reverberating? could they not be reverberating?
Perfect
could I not have reverberated? could you not have reverberated? could she not have reverberated? could we not have reverberated? could you not have reverberated? could they not have reverberated?
V-ing perfect
could I not have been reverberating? could you not have been reverberating? could she not have been reverberating? could we not have been reverberating? could you not have been reverberating? could they not have been reverberating?