English verb conjugation
CAN COWER

Regular verb: cower - cowered - cowered

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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