English verb conjugation
MUST LEVER

Regular verb: lever - levered - levered

Affirmation

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

Negation

Simple form	V-ing form
I must not lever you must not lever he must not lever we must not lever you must not lever they must not lever	I must not be levering you must not be levering he must not be levering we must not be levering you must not be levering they must not be levering
Perfect	V-ing perfect
I must not have levered you must not have levered he must not have levered we must not have levered you must not have levered they must not have levered	I must not have been levering you must not have been levering he must not have been levering we must not have been levering you must not have been levering they must not have been levering

Interrogative form

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

Interro-negative form

Simple form	V-ing form
must I not lever? must you not lever? must he not lever? must we not lever? must you not lever? must they not lever?	must I not be levering? must you not be levering? must he not be levering? must we not be levering? must you not be levering? must they not be levering?
Perfect	V-ing perfect
must I not have levered? must you not have levered? must he not have levered? must we not have levered? must you not have levered? must they not have levered?	must I not have been levering? must you not have been levering? must he not have been levering? must we not have been levering? must you not have been levering? must they not have been levering?