I can vibrate you can vibrate he can vibrate we can vibrate you can vibrate they can vibrate
V-ing form
I can be vibrating you can be vibrating he can be vibrating we can be vibrating you can be vibrating they can be vibrating
Perfect
I can have vibrated you can have vibrated he can have vibrated we can have vibrated you can have vibrated they can have vibrated
V-ing perfect
I can have been vibrating you can have been vibrating he can have been vibrating we can have been vibrating you can have been vibrating they can have been vibrating
Negation
Simple form
I cannot vibrate you cannot vibrate he cannot vibrate we cannot vibrate you cannot vibrate they cannot vibrate
V-ing form
I cannot be vibrating you cannot be vibrating he cannot be vibrating we cannot be vibrating you cannot be vibrating they cannot be vibrating
Perfect
I cannot have vibrated you cannot have vibrated he cannot have vibrated we cannot have vibrated you cannot have vibrated they cannot have vibrated
V-ing perfect
I cannot have been vibrating you cannot have been vibrating he cannot have been vibrating we cannot have been vibrating you cannot have been vibrating they cannot have been vibrating
Interrogative form
Simple form
can I vibrate? can you vibrate? can he vibrate? can we vibrate? can you vibrate? can they vibrate?
V-ing form
can I be vibrating? can you be vibrating? can he be vibrating? can we be vibrating? can you be vibrating? can they be vibrating?
Perfect
can I have vibrated? can you have vibrated? can he have vibrated? can we have vibrated? can you have vibrated? can they have vibrated?
V-ing perfect
can I have been vibrating? can you have been vibrating? can he have been vibrating? can we have been vibrating? can you have been vibrating? can they have been vibrating?
Interro-negative form
Simple form
can I not vibrate? can you not vibrate? can he not vibrate? can we not vibrate? can you not vibrate? can they not vibrate?
V-ing form
can I not be vibrating? can you not be vibrating? can he not be vibrating? can we not be vibrating? can you not be vibrating? can they not be vibrating?
Perfect
can I not have vibrated? can you not have vibrated? can he not have vibrated? can we not have vibrated? can you not have vibrated? can they not have vibrated?
V-ing perfect
can I not have been vibrating? can you not have been vibrating? can he not have been vibrating? can we not have been vibrating? can you not have been vibrating? can they not have been vibrating?