English verb conjugation
COULD SILENCE

Regular verb: silence - silenced - silenced

Affirmation

Simple form	V-ing form
I could silence you could silence he could silence we could silence you could silence they could silence	I could be silencing you could be silencing he could be silencing we could be silencing you could be silencing they could be silencing
Perfect	V-ing perfect
I could have silenced you could have silenced he could have silenced we could have silenced you could have silenced they could have silenced	I could have been silencing you could have been silencing he could have been silencing we could have been silencing you could have been silencing they could have been silencing

Negation

Simple form	V-ing form
I couldn't silence you couldn't silence he couldn't silence we couldn't silence you couldn't silence they couldn't silence	I couldn't be silencing you couldn't be silencing he couldn't be silencing we couldn't be silencing you couldn't be silencing they couldn't be silencing
Perfect	V-ing perfect
I couldn't have silenced you couldn't have silenced he couldn't have silenced we couldn't have silenced you couldn't have silenced they couldn't have silenced	I couldn't have been silencing you couldn't have been silencing he couldn't have been silencing we couldn't have been silencing you couldn't have been silencing they couldn't have been silencing

Interrogative form

Simple form	V-ing form
could I silence? could you silence? could he silence? could we silence? could you silence? could they silence?	could I be silencing? could you be silencing? could he be silencing? could we be silencing? could you be silencing? could they be silencing?
Perfect	V-ing perfect
could I have silenced? could you have silenced? could he have silenced? could we have silenced? could you have silenced? could they have silenced?	could I have been silencing? could you have been silencing? could he have been silencing? could we have been silencing? could you have been silencing? could they have been silencing?

Interro-negative form

Simple form	V-ing form
couldn't I silence? couldn't you silence? couldn't he silence? couldn't we silence? couldn't you silence? couldn't they silence?	couldn't I be silencing? couldn't you be silencing? couldn't he be silencing? couldn't we be silencing? couldn't you be silencing? couldn't they be silencing?
Perfect	V-ing perfect
couldn't I have silenced? couldn't you have silenced? couldn't he have silenced? couldn't we have silenced? couldn't you have silenced? couldn't they have silenced?	couldn't I have been silencing? couldn't you have been silencing? couldn't he have been silencing? couldn't we have been silencing? couldn't you have been silencing? couldn't they have been silencing?