Conjugaison du verbe anglais
MUST UNDERPROP

Verbe régulier : underprop - underproped - underproped

Affirmation

Forme simple	Forme en V-ing
I must underprop you must underprop she must underprop we must underprop you must underprop they must underprop	I must be underproping you must be underproping she must be underproping we must be underproping you must be underproping they must be underproping
Perfect	Perfect en V-ing
I must have underproped you must have underproped she must have underproped we must have underproped you must have underproped they must have underproped	I must have been underproping you must have been underproping she must have been underproping we must have been underproping you must have been underproping they must have been underproping

Négation

Forme simple	Forme en V-ing
I mustn't underprop you mustn't underprop she mustn't underprop we mustn't underprop you mustn't underprop they mustn't underprop	I mustn't be underproping you mustn't be underproping she mustn't be underproping we mustn't be underproping you mustn't be underproping they mustn't be underproping
Perfect	Perfect en V-ing
I mustn't have underproped you mustn't have underproped she mustn't have underproped we mustn't have underproped you mustn't have underproped they mustn't have underproped	I mustn't have been underproping you mustn't have been underproping she mustn't have been underproping we mustn't have been underproping you mustn't have been underproping they mustn't have been underproping

Forme interrogative

Forme simple	Forme en V-ing
must I underprop? must you underprop? must she underprop? must we underprop? must you underprop? must they underprop?	must I be underproping? must you be underproping? must she be underproping? must we be underproping? must you be underproping? must they be underproping?
Perfect	Perfect en V-ing
must I have underproped? must you have underproped? must she have underproped? must we have underproped? must you have underproped? must they have underproped?	must I have been underproping? must you have been underproping? must she have been underproping? must we have been underproping? must you have been underproping? must they have been underproping?

Forme interro-négative

Forme simple	Forme en V-ing
mustn't I underprop? mustn't you underprop? mustn't she underprop? mustn't we underprop? mustn't you underprop? mustn't they underprop?	mustn't I be underproping? mustn't you be underproping? mustn't she be underproping? mustn't we be underproping? mustn't you be underproping? mustn't they be underproping?
Perfect	Perfect en V-ing
mustn't I have underproped? mustn't you have underproped? mustn't she have underproped? mustn't we have underproped? mustn't you have underproped? mustn't they have underproped?	mustn't I have been underproping? mustn't you have been underproping? mustn't she have been underproping? mustn't we have been underproping? mustn't you have been underproping? mustn't they have been underproping?