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