must sense
Regular verb: sense - sensed- sensed

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