must perplex
Regular verb: perplex - perplexed- perplexed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must perplex
you must perplex
she must perplex
we must perplex
you must perplex
they must perplex 	I must be perplexing
you must be perplexing
she must be perplexing
we must be perplexing
you must be perplexing
they must be perplexing	I must have perplexed
you must have perplexed
she must have perplexed
we must have perplexed
you must have perplexed
they must have perplexed	I must have been perplexing
you must have been perplexing
she must have been perplexing
we must have been perplexing
you must have been perplexing
they must have been perplexing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not perplex
you must not perplex
she must not perplex
we must not perplex
you must not perplex
they must not perplex 	I must not be perplexing
you must not be perplexing
she must not be perplexing
we must not be perplexing
you must not be perplexing
they must not be perplexing	I must not have perplexed
you must not have perplexed
she must not have perplexed
we must not have perplexed
you must not have perplexed
they must not have perplexed	I must not have been perplexing
you must not have been perplexing
she must not have been perplexing
we must not have been perplexing
you must not have been perplexing
they must not have been perplexing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I perplex?
must you perplex?
must she perplex?
must we perplex?
must you perplex?
must they perplex? 	must I be perplexing?
must you be perplexing?
must she be perplexing?
must we be perplexing?
must you be perplexing?
must they be perplexing? 	must I have perplexed?
must you have perplexed?
must she have perplexed?
must we have perplexed?
must you have perplexed?
must they have perplexed? 	must I have been perplexing?
must you have been perplexing?
must she have been perplexing?
must we have been perplexing?
must you have been perplexing?
must they have been perplexing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not perplex?
must you not perplex?
must she not perplex?
must we not perplex?
must you not perplex?
must they not perplex? 	must I not be perplexing?
must you not be perplexing?
must she not be perplexing?
must we not be perplexing?
must you not be perplexing?
must they not be perplexing? 	must I not have perplexed?
must you not have perplexed?
must she not have perplexed?
must we not have perplexed?
must you not have perplexed?
must they not have perplexed? 	must I not have been perplexing?
must you not have been perplexing?
must she not have been perplexing?
must we not have been perplexing?
must you not have been perplexing?
must they not have been perplexing?