English verb conjugation
MUST LASSOO

Regular verb: lassoo - lassooed - lassooed

Affirmation

Simple form	V-ing form
I must lassoo you must lassoo he must lassoo we must lassoo you must lassoo they must lassoo	I must be lassooing you must be lassooing he must be lassooing we must be lassooing you must be lassooing they must be lassooing
Perfect	V-ing perfect
I must have lassooed you must have lassooed he must have lassooed we must have lassooed you must have lassooed they must have lassooed	I must have been lassooing you must have been lassooing he must have been lassooing we must have been lassooing you must have been lassooing they must have been lassooing

Negation

Simple form	V-ing form
I mustn't lassoo you mustn't lassoo he mustn't lassoo we mustn't lassoo you mustn't lassoo they mustn't lassoo	I mustn't be lassooing you mustn't be lassooing he mustn't be lassooing we mustn't be lassooing you mustn't be lassooing they mustn't be lassooing
Perfect	V-ing perfect
I mustn't have lassooed you mustn't have lassooed he mustn't have lassooed we mustn't have lassooed you mustn't have lassooed they mustn't have lassooed	I mustn't have been lassooing you mustn't have been lassooing he mustn't have been lassooing we mustn't have been lassooing you mustn't have been lassooing they mustn't have been lassooing

Interrogative form

Simple form	V-ing form
must I lassoo? must you lassoo? must he lassoo? must we lassoo? must you lassoo? must they lassoo?	must I be lassooing? must you be lassooing? must he be lassooing? must we be lassooing? must you be lassooing? must they be lassooing?
Perfect	V-ing perfect
must I have lassooed? must you have lassooed? must he have lassooed? must we have lassooed? must you have lassooed? must they have lassooed?	must I have been lassooing? must you have been lassooing? must he have been lassooing? must we have been lassooing? must you have been lassooing? must they have been lassooing?

Interro-negative form

Simple form	V-ing form
mustn't I lassoo? mustn't you lassoo? mustn't he lassoo? mustn't we lassoo? mustn't you lassoo? mustn't they lassoo?	mustn't I be lassooing? mustn't you be lassooing? mustn't he be lassooing? mustn't we be lassooing? mustn't you be lassooing? mustn't they be lassooing?
Perfect	V-ing perfect
mustn't I have lassooed? mustn't you have lassooed? mustn't he have lassooed? mustn't we have lassooed? mustn't you have lassooed? mustn't they have lassooed?	mustn't I have been lassooing? mustn't you have been lassooing? mustn't he have been lassooing? mustn't we have been lassooing? mustn't you have been lassooing? mustn't they have been lassooing?