English verb conjugation
MUST INTROSPECT

Regular verb: introspect - introspected - introspected

Affirmation

Simple form	V-ing form
I must introspect you must introspect he must introspect we must introspect you must introspect they must introspect	I must be introspecting you must be introspecting he must be introspecting we must be introspecting you must be introspecting they must be introspecting
Perfect	V-ing perfect
I must have introspected you must have introspected he must have introspected we must have introspected you must have introspected they must have introspected	I must have been introspecting you must have been introspecting he must have been introspecting we must have been introspecting you must have been introspecting they must have been introspecting

Negation

Simple form	V-ing form
I mustn't introspect you mustn't introspect he mustn't introspect we mustn't introspect you mustn't introspect they mustn't introspect	I mustn't be introspecting you mustn't be introspecting he mustn't be introspecting we mustn't be introspecting you mustn't be introspecting they mustn't be introspecting
Perfect	V-ing perfect
I mustn't have introspected you mustn't have introspected he mustn't have introspected we mustn't have introspected you mustn't have introspected they mustn't have introspected	I mustn't have been introspecting you mustn't have been introspecting he mustn't have been introspecting we mustn't have been introspecting you mustn't have been introspecting they mustn't have been introspecting

Interrogative form

Simple form	V-ing form
must I introspect? must you introspect? must he introspect? must we introspect? must you introspect? must they introspect?	must I be introspecting? must you be introspecting? must he be introspecting? must we be introspecting? must you be introspecting? must they be introspecting?
Perfect	V-ing perfect
must I have introspected? must you have introspected? must he have introspected? must we have introspected? must you have introspected? must they have introspected?	must I have been introspecting? must you have been introspecting? must he have been introspecting? must we have been introspecting? must you have been introspecting? must they have been introspecting?

Interro-negative form

Simple form	V-ing form
mustn't I introspect? mustn't you introspect? mustn't he introspect? mustn't we introspect? mustn't you introspect? mustn't they introspect?	mustn't I be introspecting? mustn't you be introspecting? mustn't he be introspecting? mustn't we be introspecting? mustn't you be introspecting? mustn't they be introspecting?
Perfect	V-ing perfect
mustn't I have introspected? mustn't you have introspected? mustn't he have introspected? mustn't we have introspected? mustn't you have introspected? mustn't they have introspected?	mustn't I have been introspecting? mustn't you have been introspecting? mustn't he have been introspecting? mustn't we have been introspecting? mustn't you have been introspecting? mustn't they have been introspecting?