English verb conjugation
MUST SLIVER

Regular verb: sliver - slivered - slivered

Affirmation

Simple form	V-ing form
I must sliver you must sliver he must sliver we must sliver you must sliver they must sliver	I must be slivering you must be slivering he must be slivering we must be slivering you must be slivering they must be slivering
Perfect	V-ing perfect
I must have slivered you must have slivered he must have slivered we must have slivered you must have slivered they must have slivered	I must have been slivering you must have been slivering he must have been slivering we must have been slivering you must have been slivering they must have been slivering

Negation

Simple form	V-ing form
I must not sliver you must not sliver he must not sliver we must not sliver you must not sliver they must not sliver	I must not be slivering you must not be slivering he must not be slivering we must not be slivering you must not be slivering they must not be slivering
Perfect	V-ing perfect
I must not have slivered you must not have slivered he must not have slivered we must not have slivered you must not have slivered they must not have slivered	I must not have been slivering you must not have been slivering he must not have been slivering we must not have been slivering you must not have been slivering they must not have been slivering

Interrogative form

Simple form	V-ing form
must I sliver? must you sliver? must he sliver? must we sliver? must you sliver? must they sliver?	must I be slivering? must you be slivering? must he be slivering? must we be slivering? must you be slivering? must they be slivering?
Perfect	V-ing perfect
must I have slivered? must you have slivered? must he have slivered? must we have slivered? must you have slivered? must they have slivered?	must I have been slivering? must you have been slivering? must he have been slivering? must we have been slivering? must you have been slivering? must they have been slivering?

Interro-negative form

Simple form	V-ing form
must I not sliver? must you not sliver? must he not sliver? must we not sliver? must you not sliver? must they not sliver?	must I not be slivering? must you not be slivering? must he not be slivering? must we not be slivering? must you not be slivering? must they not be slivering?
Perfect	V-ing perfect
must I not have slivered? must you not have slivered? must he not have slivered? must we not have slivered? must you not have slivered? must they not have slivered?	must I not have been slivering? must you not have been slivering? must he not have been slivering? must we not have been slivering? must you not have been slivering? must they not have been slivering?