I could reverberate you could reverberate he could reverberate we could reverberate you could reverberate they could reverberate
V-ing form
I could be reverberating you could be reverberating he could be reverberating we could be reverberating you could be reverberating they could be reverberating
Perfect
I could have reverberated you could have reverberated he 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 he 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 he 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 he 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 he 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 he 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 he reverberate? could we reverberate? could you reverberate? could they reverberate?
V-ing form
could I be reverberating? could you be reverberating? could he be reverberating? could we be reverberating? could you be reverberating? could they be reverberating?
Perfect
could I have reverberated? could you have reverberated? could he 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 he 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 he 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 he 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 he 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 he not have been reverberating? could we not have been reverberating? could you not have been reverberating? could they not have been reverberating?