must introspect
Regular verb: introspect - introspected- introspected

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must introspect
you must introspect
she must introspect
we must introspect
you must introspect
they must introspect 	I must be introspecting
you must be introspecting
she must be introspecting
we must be introspecting
you must be introspecting
they must be introspecting	I must have introspected
you must have introspected
she 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
she 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 	Perfect 	V-ing perfect 	
I must not introspect
you must not introspect
she must not introspect
we must not introspect
you must not introspect
they must not introspect 	I must not be introspecting
you must not be introspecting
she must not be introspecting
we must not be introspecting
you must not be introspecting
they must not be introspecting	I must not have introspected
you must not have introspected
she must not have introspected
we must not have introspected
you must not have introspected
they must not have introspected	I must not have been introspecting
you must not have been introspecting
she must not have been introspecting
we must not have been introspecting
you must not have been introspecting
they must not have been introspecting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I introspect?
must you introspect?
must she introspect?
must we introspect?
must you introspect?
must they introspect? 	must I be introspecting?
must you be introspecting?
must she be introspecting?
must we be introspecting?
must you be introspecting?
must they be introspecting? 	must I have introspected?
must you have introspected?
must she 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 she 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 	Perfect 	V-ing perfect 	
must I not introspect?
must you not introspect?
must she not introspect?
must we not introspect?
must you not introspect?
must they not introspect? 	must I not be introspecting?
must you not be introspecting?
must she not be introspecting?
must we not be introspecting?
must you not be introspecting?
must they not be introspecting? 	must I not have introspected?
must you not have introspected?
must she not have introspected?
must we not have introspected?
must you not have introspected?
must they not have introspected? 	must I not have been introspecting?
must you not have been introspecting?
must she not have been introspecting?
must we not have been introspecting?
must you not have been introspecting?
must they not have been introspecting?