English verb conjugation
MUST WALLPAPER

Regular verb: wallpaper - wallpapered - wallpapered

Affirmation

Simple form	V-ing form
I must wallpaper you must wallpaper he must wallpaper we must wallpaper you must wallpaper they must wallpaper	I must be wallpapering you must be wallpapering he must be wallpapering we must be wallpapering you must be wallpapering they must be wallpapering
Perfect	V-ing perfect
I must have wallpapered you must have wallpapered he must have wallpapered we must have wallpapered you must have wallpapered they must have wallpapered	I must have been wallpapering you must have been wallpapering he must have been wallpapering we must have been wallpapering you must have been wallpapering they must have been wallpapering

Negation

Simple form	V-ing form
I mustn't wallpaper you mustn't wallpaper he mustn't wallpaper we mustn't wallpaper you mustn't wallpaper they mustn't wallpaper	I mustn't be wallpapering you mustn't be wallpapering he mustn't be wallpapering we mustn't be wallpapering you mustn't be wallpapering they mustn't be wallpapering
Perfect	V-ing perfect
I mustn't have wallpapered you mustn't have wallpapered he mustn't have wallpapered we mustn't have wallpapered you mustn't have wallpapered they mustn't have wallpapered	I mustn't have been wallpapering you mustn't have been wallpapering he mustn't have been wallpapering we mustn't have been wallpapering you mustn't have been wallpapering they mustn't have been wallpapering

Interrogative form

Simple form	V-ing form
must I wallpaper? must you wallpaper? must he wallpaper? must we wallpaper? must you wallpaper? must they wallpaper?	must I be wallpapering? must you be wallpapering? must he be wallpapering? must we be wallpapering? must you be wallpapering? must they be wallpapering?
Perfect	V-ing perfect
must I have wallpapered? must you have wallpapered? must he have wallpapered? must we have wallpapered? must you have wallpapered? must they have wallpapered?	must I have been wallpapering? must you have been wallpapering? must he have been wallpapering? must we have been wallpapering? must you have been wallpapering? must they have been wallpapering?

Interro-negative form

Simple form	V-ing form
mustn't I wallpaper? mustn't you wallpaper? mustn't he wallpaper? mustn't we wallpaper? mustn't you wallpaper? mustn't they wallpaper?	mustn't I be wallpapering? mustn't you be wallpapering? mustn't he be wallpapering? mustn't we be wallpapering? mustn't you be wallpapering? mustn't they be wallpapering?
Perfect	V-ing perfect
mustn't I have wallpapered? mustn't you have wallpapered? mustn't he have wallpapered? mustn't we have wallpapered? mustn't you have wallpapered? mustn't they have wallpapered?	mustn't I have been wallpapering? mustn't you have been wallpapering? mustn't he have been wallpapering? mustn't we have been wallpapering? mustn't you have been wallpapering? mustn't they have been wallpapering?