English verb conjugation
MUST TROUPE

Regular verb: troupe - trouped - trouped

Affirmation

Simple form	V-ing form
I must troupe you must troupe he must troupe we must troupe you must troupe they must troupe	I must be trouping you must be trouping he must be trouping we must be trouping you must be trouping they must be trouping
Perfect	V-ing perfect
I must have trouped you must have trouped he must have trouped we must have trouped you must have trouped they must have trouped	I must have been trouping you must have been trouping he must have been trouping we must have been trouping you must have been trouping they must have been trouping

Negation

Simple form	V-ing form
I mustn't troupe you mustn't troupe he mustn't troupe we mustn't troupe you mustn't troupe they mustn't troupe	I mustn't be trouping you mustn't be trouping he mustn't be trouping we mustn't be trouping you mustn't be trouping they mustn't be trouping
Perfect	V-ing perfect
I mustn't have trouped you mustn't have trouped he mustn't have trouped we mustn't have trouped you mustn't have trouped they mustn't have trouped	I mustn't have been trouping you mustn't have been trouping he mustn't have been trouping we mustn't have been trouping you mustn't have been trouping they mustn't have been trouping

Interrogative form

Simple form	V-ing form
must I troupe? must you troupe? must he troupe? must we troupe? must you troupe? must they troupe?	must I be trouping? must you be trouping? must he be trouping? must we be trouping? must you be trouping? must they be trouping?
Perfect	V-ing perfect
must I have trouped? must you have trouped? must he have trouped? must we have trouped? must you have trouped? must they have trouped?	must I have been trouping? must you have been trouping? must he have been trouping? must we have been trouping? must you have been trouping? must they have been trouping?

Interro-negative form

Simple form	V-ing form
mustn't I troupe? mustn't you troupe? mustn't he troupe? mustn't we troupe? mustn't you troupe? mustn't they troupe?	mustn't I be trouping? mustn't you be trouping? mustn't he be trouping? mustn't we be trouping? mustn't you be trouping? mustn't they be trouping?
Perfect	V-ing perfect
mustn't I have trouped? mustn't you have trouped? mustn't he have trouped? mustn't we have trouped? mustn't you have trouped? mustn't they have trouped?	mustn't I have been trouping? mustn't you have been trouping? mustn't he have been trouping? mustn't we have been trouping? mustn't you have been trouping? mustn't they have been trouping?