English verb conjugation
MUST UNSTOP

Regular verb: unstop - unstopped - unstopped

Affirmation

Simple form	V-ing form
I must unstop you must unstop she must unstop we must unstop you must unstop they must unstop	I must be unstopping you must be unstopping she must be unstopping we must be unstopping you must be unstopping they must be unstopping
Perfect	V-ing perfect
I must have unstopped you must have unstopped she must have unstopped we must have unstopped you must have unstopped they must have unstopped	I must have been unstopping you must have been unstopping she must have been unstopping we must have been unstopping you must have been unstopping they must have been unstopping

Negation

Simple form	V-ing form
I mustn't unstop you mustn't unstop she mustn't unstop we mustn't unstop you mustn't unstop they mustn't unstop	I mustn't be unstopping you mustn't be unstopping she mustn't be unstopping we mustn't be unstopping you mustn't be unstopping they mustn't be unstopping
Perfect	V-ing perfect
I mustn't have unstopped you mustn't have unstopped she mustn't have unstopped we mustn't have unstopped you mustn't have unstopped they mustn't have unstopped	I mustn't have been unstopping you mustn't have been unstopping she mustn't have been unstopping we mustn't have been unstopping you mustn't have been unstopping they mustn't have been unstopping

Interrogative form

Simple form	V-ing form
must I unstop? must you unstop? must she unstop? must we unstop? must you unstop? must they unstop?	must I be unstopping? must you be unstopping? must she be unstopping? must we be unstopping? must you be unstopping? must they be unstopping?
Perfect	V-ing perfect
must I have unstopped? must you have unstopped? must she have unstopped? must we have unstopped? must you have unstopped? must they have unstopped?	must I have been unstopping? must you have been unstopping? must she have been unstopping? must we have been unstopping? must you have been unstopping? must they have been unstopping?

Interro-negative form

Simple form	V-ing form
mustn't I unstop? mustn't you unstop? mustn't she unstop? mustn't we unstop? mustn't you unstop? mustn't they unstop?	mustn't I be unstopping? mustn't you be unstopping? mustn't she be unstopping? mustn't we be unstopping? mustn't you be unstopping? mustn't they be unstopping?
Perfect	V-ing perfect
mustn't I have unstopped? mustn't you have unstopped? mustn't she have unstopped? mustn't we have unstopped? mustn't you have unstopped? mustn't they have unstopped?	mustn't I have been unstopping? mustn't you have been unstopping? mustn't she have been unstopping? mustn't we have been unstopping? mustn't you have been unstopping? mustn't they have been unstopping?