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 couldn't cower you couldn't cower he couldn't cower we couldn't cower you couldn't cower they couldn't cower	I couldn't be cowering you couldn't be cowering he couldn't be cowering we couldn't be cowering you couldn't be cowering they couldn't be cowering
Perfect	V-ing perfect
I couldn't have cowered you couldn't have cowered he couldn't have cowered we couldn't have cowered you couldn't have cowered they couldn't have cowered	I couldn't have been cowering you couldn't have been cowering he couldn't have been cowering we couldn't have been cowering you couldn't have been cowering they couldn't 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
couldn't I cower? couldn't you cower? couldn't he cower? couldn't we cower? couldn't you cower? couldn't they cower?	couldn't I be cowering? couldn't you be cowering? couldn't he be cowering? couldn't we be cowering? couldn't you be cowering? couldn't they be cowering?
Perfect	V-ing perfect
couldn't I have cowered? couldn't you have cowered? couldn't he have cowered? couldn't we have cowered? couldn't you have cowered? couldn't they have cowered?	couldn't I have been cowering? couldn't you have been cowering? couldn't he have been cowering? couldn't we have been cowering? couldn't you have been cowering? couldn't they have been cowering?