English verb conjugation
COULD LEVER

Regular verb: lever - levered - levered

Affirmation

Simple form	V-ing form
I could lever you could lever he could lever we could lever you could lever they could lever	I could be levering you could be levering he could be levering we could be levering you could be levering they could be levering
Perfect	V-ing perfect
I could have levered you could have levered he could have levered we could have levered you could have levered they could have levered	I could have been levering you could have been levering he could have been levering we could have been levering you could have been levering they could have been levering

Negation

Simple form	V-ing form
I couldn't lever you couldn't lever he couldn't lever we couldn't lever you couldn't lever they couldn't lever	I couldn't be levering you couldn't be levering he couldn't be levering we couldn't be levering you couldn't be levering they couldn't be levering
Perfect	V-ing perfect
I couldn't have levered you couldn't have levered he couldn't have levered we couldn't have levered you couldn't have levered they couldn't have levered	I couldn't have been levering you couldn't have been levering he couldn't have been levering we couldn't have been levering you couldn't have been levering they couldn't have been levering

Interrogative form

Simple form	V-ing form
could I lever? could you lever? could he lever? could we lever? could you lever? could they lever?	could I be levering? could you be levering? could he be levering? could we be levering? could you be levering? could they be levering?
Perfect	V-ing perfect
could I have levered? could you have levered? could he have levered? could we have levered? could you have levered? could they have levered?	could I have been levering? could you have been levering? could he have been levering? could we have been levering? could you have been levering? could they have been levering?

Interro-negative form

Simple form	V-ing form
couldn't I lever? couldn't you lever? couldn't he lever? couldn't we lever? couldn't you lever? couldn't they lever?	couldn't I be levering? couldn't you be levering? couldn't he be levering? couldn't we be levering? couldn't you be levering? couldn't they be levering?
Perfect	V-ing perfect
couldn't I have levered? couldn't you have levered? couldn't he have levered? couldn't we have levered? couldn't you have levered? couldn't they have levered?	couldn't I have been levering? couldn't you have been levering? couldn't he have been levering? couldn't we have been levering? couldn't you have been levering? couldn't they have been levering?