English verb conjugation
MUST ESTOP

Regular verb: estop - estoped - estoped

Affirmation

Simple form	V-ing form
I must estop you must estop she must estop we must estop you must estop they must estop	I must be estoping you must be estoping she must be estoping we must be estoping you must be estoping they must be estoping
Perfect	V-ing perfect
I must have estoped you must have estoped she must have estoped we must have estoped you must have estoped they must have estoped	I must have been estoping you must have been estoping she must have been estoping we must have been estoping you must have been estoping they must have been estoping

Negation

Simple form	V-ing form
I mustn't estop you mustn't estop she mustn't estop we mustn't estop you mustn't estop they mustn't estop	I mustn't be estoping you mustn't be estoping she mustn't be estoping we mustn't be estoping you mustn't be estoping they mustn't be estoping
Perfect	V-ing perfect
I mustn't have estoped you mustn't have estoped she mustn't have estoped we mustn't have estoped you mustn't have estoped they mustn't have estoped	I mustn't have been estoping you mustn't have been estoping she mustn't have been estoping we mustn't have been estoping you mustn't have been estoping they mustn't have been estoping

Interrogative form

Simple form	V-ing form
must I estop? must you estop? must she estop? must we estop? must you estop? must they estop?	must I be estoping? must you be estoping? must she be estoping? must we be estoping? must you be estoping? must they be estoping?
Perfect	V-ing perfect
must I have estoped? must you have estoped? must she have estoped? must we have estoped? must you have estoped? must they have estoped?	must I have been estoping? must you have been estoping? must she have been estoping? must we have been estoping? must you have been estoping? must they have been estoping?

Interro-negative form

Simple form	V-ing form
mustn't I estop? mustn't you estop? mustn't she estop? mustn't we estop? mustn't you estop? mustn't they estop?	mustn't I be estoping? mustn't you be estoping? mustn't she be estoping? mustn't we be estoping? mustn't you be estoping? mustn't they be estoping?
Perfect	V-ing perfect
mustn't I have estoped? mustn't you have estoped? mustn't she have estoped? mustn't we have estoped? mustn't you have estoped? mustn't they have estoped?	mustn't I have been estoping? mustn't you have been estoping? mustn't she have been estoping? mustn't we have been estoping? mustn't you have been estoping? mustn't they have been estoping?