English verb conjugation
COULD COWER

Regular verb: cower - cowered - cowered

Affirmation

Simple form	V-ing form
I could cower you could cower he could cower we could cower you could cower they could cower	I could be cowering you could be cowering he could be cowering we could be cowering you could be cowering they could be cowering
Perfect	V-ing perfect
I could have cowered you could have cowered he could have cowered we could have cowered you could have cowered they could have cowered	I could have been cowering you could have been cowering he could have been cowering we could have been cowering you could have been cowering they could have been cowering

Negation

Simple form	V-ing form
I could not cower you could not cower he could not cower we could not cower you could not cower they could not cower	I could not be cowering you could not be cowering he could not be cowering we could not be cowering you could not be cowering they could not be cowering
Perfect	V-ing perfect
I could not have cowered you could not have cowered he could not have cowered we could not have cowered you could not have cowered they could not have cowered	I could not have been cowering you could not have been cowering he could not have been cowering we could not have been cowering you could not have been cowering they could not have been cowering

Interrogative form

Simple form	V-ing form
could I cower? could you cower? could he cower? could we cower? could you cower? could they cower?	could I be cowering? could you be cowering? could he be cowering? could we be cowering? could you be cowering? could they be cowering?
Perfect	V-ing perfect
could I have cowered? could you have cowered? could he have cowered? could we have cowered? could you have cowered? could they have cowered?	could I have been cowering? could you have been cowering? could he have been cowering? could we have been cowering? could you have been cowering? could they have been cowering?

Interro-negative form

Simple form	V-ing form
could I not cower? could you not cower? could he not cower? could we not cower? could you not cower? could they not cower?	could I not be cowering? could you not be cowering? could he not be cowering? could we not be cowering? could you not be cowering? could they not be cowering?
Perfect	V-ing perfect
could I not have cowered? could you not have cowered? could he not have cowered? could we not have cowered? could you not have cowered? could they not have cowered?	could I not have been cowering? could you not have been cowering? could he not have been cowering? could we not have been cowering? could you not have been cowering? could they not have been cowering?