must cinch
Regular verb: cinch - cinched- cinched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must cinch
you must cinch
he must cinch
we must cinch
you must cinch
they must cinch 	I must be cinching
you must be cinching
he must be cinching
we must be cinching
you must be cinching
they must be cinching	I must have cinched
you must have cinched
he must have cinched
we must have cinched
you must have cinched
they must have cinched	I must have been cinching
you must have been cinching
he must have been cinching
we must have been cinching
you must have been cinching
they must have been cinching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not cinch
you must not cinch
he must not cinch
we must not cinch
you must not cinch
they must not cinch 	I must not be cinching
you must not be cinching
he must not be cinching
we must not be cinching
you must not be cinching
they must not be cinching	I must not have cinched
you must not have cinched
he must not have cinched
we must not have cinched
you must not have cinched
they must not have cinched	I must not have been cinching
you must not have been cinching
he must not have been cinching
we must not have been cinching
you must not have been cinching
they must not have been cinching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I cinch?
must you cinch?
must he cinch?
must we cinch?
must you cinch?
must they cinch? 	must I be cinching?
must you be cinching?
must he be cinching?
must we be cinching?
must you be cinching?
must they be cinching? 	must I have cinched?
must you have cinched?
must he have cinched?
must we have cinched?
must you have cinched?
must they have cinched? 	must I have been cinching?
must you have been cinching?
must he have been cinching?
must we have been cinching?
must you have been cinching?
must they have been cinching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not cinch?
must you not cinch?
must he not cinch?
must we not cinch?
must you not cinch?
must they not cinch? 	must I not be cinching?
must you not be cinching?
must he not be cinching?
must we not be cinching?
must you not be cinching?
must they not be cinching? 	must I not have cinched?
must you not have cinched?
must he not have cinched?
must we not have cinched?
must you not have cinched?
must they not have cinched? 	must I not have been cinching?
must you not have been cinching?
must he not have been cinching?
must we not have been cinching?
must you not have been cinching?
must they not have been cinching?