I can silence you can silence he can silence we can silence you can silence they can silence
V-ing form
I can be silencing you can be silencing he can be silencing we can be silencing you can be silencing they can be silencing
Perfect
I can have silenced you can have silenced he can have silenced we can have silenced you can have silenced they can have silenced
V-ing perfect
I can have been silencing you can have been silencing he can have been silencing we can have been silencing you can have been silencing they can have been silencing
Negation
Simple form
I cannot silence you cannot silence he cannot silence we cannot silence you cannot silence they cannot silence
V-ing form
I cannot be silencing you cannot be silencing he cannot be silencing we cannot be silencing you cannot be silencing they cannot be silencing
Perfect
I cannot have silenced you cannot have silenced he cannot have silenced we cannot have silenced you cannot have silenced they cannot have silenced
V-ing perfect
I cannot have been silencing you cannot have been silencing he cannot have been silencing we cannot have been silencing you cannot have been silencing they cannot have been silencing
Interrogative form
Simple form
can I silence? can you silence? can he silence? can we silence? can you silence? can they silence?
V-ing form
can I be silencing? can you be silencing? can he be silencing? can we be silencing? can you be silencing? can they be silencing?
Perfect
can I have silenced? can you have silenced? can he have silenced? can we have silenced? can you have silenced? can they have silenced?
V-ing perfect
can I have been silencing? can you have been silencing? can he have been silencing? can we have been silencing? can you have been silencing? can they have been silencing?
Interro-negative form
Simple form
can I not silence? can you not silence? can he not silence? can we not silence? can you not silence? can they not silence?
V-ing form
can I not be silencing? can you not be silencing? can he not be silencing? can we not be silencing? can you not be silencing? can they not be silencing?
Perfect
can I not have silenced? can you not have silenced? can he not have silenced? can we not have silenced? can you not have silenced? can they not have silenced?
V-ing perfect
can I not have been silencing? can you not have been silencing? can he not have been silencing? can we not have been silencing? can you not have been silencing? can they not have been silencing?