English verb conjugation
MUST CONTOUR

Regular verb: contour - contoured - contoured

Affirmation

Simple form	V-ing form
I must contour you must contour he must contour we must contour you must contour they must contour	I must be contouring you must be contouring he must be contouring we must be contouring you must be contouring they must be contouring
Perfect	V-ing perfect
I must have contoured you must have contoured he must have contoured we must have contoured you must have contoured they must have contoured	I must have been contouring you must have been contouring he must have been contouring we must have been contouring you must have been contouring they must have been contouring

Negation

Simple form	V-ing form
I mustn't contour you mustn't contour he mustn't contour we mustn't contour you mustn't contour they mustn't contour	I mustn't be contouring you mustn't be contouring he mustn't be contouring we mustn't be contouring you mustn't be contouring they mustn't be contouring
Perfect	V-ing perfect
I mustn't have contoured you mustn't have contoured he mustn't have contoured we mustn't have contoured you mustn't have contoured they mustn't have contoured	I mustn't have been contouring you mustn't have been contouring he mustn't have been contouring we mustn't have been contouring you mustn't have been contouring they mustn't have been contouring

Interrogative form

Simple form	V-ing form
must I contour? must you contour? must he contour? must we contour? must you contour? must they contour?	must I be contouring? must you be contouring? must he be contouring? must we be contouring? must you be contouring? must they be contouring?
Perfect	V-ing perfect
must I have contoured? must you have contoured? must he have contoured? must we have contoured? must you have contoured? must they have contoured?	must I have been contouring? must you have been contouring? must he have been contouring? must we have been contouring? must you have been contouring? must they have been contouring?

Interro-negative form

Simple form	V-ing form
mustn't I contour? mustn't you contour? mustn't he contour? mustn't we contour? mustn't you contour? mustn't they contour?	mustn't I be contouring? mustn't you be contouring? mustn't he be contouring? mustn't we be contouring? mustn't you be contouring? mustn't they be contouring?
Perfect	V-ing perfect
mustn't I have contoured? mustn't you have contoured? mustn't he have contoured? mustn't we have contoured? mustn't you have contoured? mustn't they have contoured?	mustn't I have been contouring? mustn't you have been contouring? mustn't he have been contouring? mustn't we have been contouring? mustn't you have been contouring? mustn't they have been contouring?