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 mustn't sliver you mustn't sliver he mustn't sliver we mustn't sliver you mustn't sliver they mustn't sliver	I mustn't be slivering you mustn't be slivering he mustn't be slivering we mustn't be slivering you mustn't be slivering they mustn't be slivering
Perfect	V-ing perfect
I mustn't have slivered you mustn't have slivered he mustn't have slivered we mustn't have slivered you mustn't have slivered they mustn't have slivered	I mustn't have been slivering you mustn't have been slivering he mustn't have been slivering we mustn't have been slivering you mustn't have been slivering they mustn't 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
mustn't I sliver? mustn't you sliver? mustn't he sliver? mustn't we sliver? mustn't you sliver? mustn't they sliver?	mustn't I be slivering? mustn't you be slivering? mustn't he be slivering? mustn't we be slivering? mustn't you be slivering? mustn't they be slivering?
Perfect	V-ing perfect
mustn't I have slivered? mustn't you have slivered? mustn't he have slivered? mustn't we have slivered? mustn't you have slivered? mustn't they have slivered?	mustn't I have been slivering? mustn't you have been slivering? mustn't he have been slivering? mustn't we have been slivering? mustn't you have been slivering? mustn't they have been slivering?