must determine
Regular verb: determine - determined- determined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must determine
you must determine
he must determine
we must determine
you must determine
they must determine 	I must be determining
you must be determining
he must be determining
we must be determining
you must be determining
they must be determining	I must have determined
you must have determined
he must have determined
we must have determined
you must have determined
they must have determined	I must have been determining
you must have been determining
he must have been determining
we must have been determining
you must have been determining
they must have been determining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not determine
you must not determine
he must not determine
we must not determine
you must not determine
they must not determine 	I must not be determining
you must not be determining
he must not be determining
we must not be determining
you must not be determining
they must not be determining	I must not have determined
you must not have determined
he must not have determined
we must not have determined
you must not have determined
they must not have determined	I must not have been determining
you must not have been determining
he must not have been determining
we must not have been determining
you must not have been determining
they must not have been determining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I determine?
must you determine?
must he determine?
must we determine?
must you determine?
must they determine? 	must I be determining?
must you be determining?
must he be determining?
must we be determining?
must you be determining?
must they be determining? 	must I have determined?
must you have determined?
must he have determined?
must we have determined?
must you have determined?
must they have determined? 	must I have been determining?
must you have been determining?
must he have been determining?
must we have been determining?
must you have been determining?
must they have been determining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not determine?
must you not determine?
must he not determine?
must we not determine?
must you not determine?
must they not determine? 	must I not be determining?
must you not be determining?
must he not be determining?
must we not be determining?
must you not be determining?
must they not be determining? 	must I not have determined?
must you not have determined?
must he not have determined?
must we not have determined?
must you not have determined?
must they not have determined? 	must I not have been determining?
must you not have been determining?
must he not have been determining?
must we not have been determining?
must you not have been determining?
must they not have been determining?