I could vibrate you could vibrate he could vibrate we could vibrate you could vibrate they could vibrate
Forma con V-ing
I could be vibrating you could be vibrating he could be vibrating we could be vibrating you could be vibrating they could be vibrating
Perfetto
I could have vibrated you could have vibrated he could have vibrated we could have vibrated you could have vibrated they could have vibrated
Perfetto con V-ing
I could have been vibrating you could have been vibrating he could have been vibrating we could have been vibrating you could have been vibrating they could have been vibrating
Negazione
Forma semplice
I could not vibrate you could not vibrate he could not vibrate we could not vibrate you could not vibrate they could not vibrate
Forma con V-ing
I could not be vibrating you could not be vibrating he could not be vibrating we could not be vibrating you could not be vibrating they could not be vibrating
Perfetto
I could not have vibrated you could not have vibrated he could not have vibrated we could not have vibrated you could not have vibrated they could not have vibrated
Perfetto con V-ing
I could not have been vibrating you could not have been vibrating he could not have been vibrating we could not have been vibrating you could not have been vibrating they could not have been vibrating
Forma interrogativa
Forma semplice
could I vibrate? could you vibrate? could he vibrate? could we vibrate? could you vibrate? could they vibrate?
Forma con V-ing
could I be vibrating? could you be vibrating? could he be vibrating? could we be vibrating? could you be vibrating? could they be vibrating?
Perfetto
could I have vibrated? could you have vibrated? could he have vibrated? could we have vibrated? could you have vibrated? could they have vibrated?
Perfetto con V-ing
could I have been vibrating? could you have been vibrating? could he have been vibrating? could we have been vibrating? could you have been vibrating? could they have been vibrating?
Forma interro-negativa
Forma semplice
could I not vibrate? could you not vibrate? could he not vibrate? could we not vibrate? could you not vibrate? could they not vibrate?
Forma con V-ing
could I not be vibrating? could you not be vibrating? could he not be vibrating? could we not be vibrating? could you not be vibrating? could they not be vibrating?
Perfetto
could I not have vibrated? could you not have vibrated? could he not have vibrated? could we not have vibrated? could you not have vibrated? could they not have vibrated?
Perfetto con V-ing
could I not have been vibrating? could you not have been vibrating? could he not have been vibrating? could we not have been vibrating? could you not have been vibrating? could they not have been vibrating?