must sense
Regular verb: sense - sensed- sensed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must sense
you must sense
she must sense
we must sense
you must sense
they must sense 	I must be sensing
you must be sensing
she must be sensing
we must be sensing
you must be sensing
they must be sensing	I must have sensed
you must have sensed
she must have sensed
we must have sensed
you must have sensed
they must have sensed	I must have been sensing
you must have been sensing
she must have been sensing
we must have been sensing
you must have been sensing
they must have been sensing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not sense
you must not sense
she must not sense
we must not sense
you must not sense
they must not sense 	I must not be sensing
you must not be sensing
she must not be sensing
we must not be sensing
you must not be sensing
they must not be sensing	I must not have sensed
you must not have sensed
she must not have sensed
we must not have sensed
you must not have sensed
they must not have sensed	I must not have been sensing
you must not have been sensing
she must not have been sensing
we must not have been sensing
you must not have been sensing
they must not have been sensing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I sense?
must you sense?
must she sense?
must we sense?
must you sense?
must they sense? 	must I be sensing?
must you be sensing?
must she be sensing?
must we be sensing?
must you be sensing?
must they be sensing? 	must I have sensed?
must you have sensed?
must she have sensed?
must we have sensed?
must you have sensed?
must they have sensed? 	must I have been sensing?
must you have been sensing?
must she have been sensing?
must we have been sensing?
must you have been sensing?
must they have been sensing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not sense?
must you not sense?
must she not sense?
must we not sense?
must you not sense?
must they not sense? 	must I not be sensing?
must you not be sensing?
must she not be sensing?
must we not be sensing?
must you not be sensing?
must they not be sensing? 	must I not have sensed?
must you not have sensed?
must she not have sensed?
must we not have sensed?
must you not have sensed?
must they not have sensed? 	must I not have been sensing?
must you not have been sensing?
must she not have been sensing?
must we not have been sensing?
must you not have been sensing?
must they not have been sensing?