must quintuplicate
Regular verb: quintuplicate - quintuplicated- quintuplicated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must quintuplicate
you must quintuplicate
she must quintuplicate
we must quintuplicate
you must quintuplicate
they must quintuplicate 	I must be quintuplicating
you must be quintuplicating
she must be quintuplicating
we must be quintuplicating
you must be quintuplicating
they must be quintuplicating	I must have quintuplicated
you must have quintuplicated
she must have quintuplicated
we must have quintuplicated
you must have quintuplicated
they must have quintuplicated	I must have been quintuplicating
you must have been quintuplicating
she must have been quintuplicating
we must have been quintuplicating
you must have been quintuplicating
they must have been quintuplicating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't quintuplicate
you mustn't quintuplicate
she mustn't quintuplicate
we mustn't quintuplicate
you mustn't quintuplicate
they mustn't quintuplicate 	I mustn't be quintuplicating
you mustn't be quintuplicating
she mustn't be quintuplicating
we mustn't be quintuplicating
you mustn't be quintuplicating
they mustn't be quintuplicating	I mustn't have quintuplicated
you mustn't have quintuplicated
she mustn't have quintuplicated
we mustn't have quintuplicated
you mustn't have quintuplicated
they mustn't have quintuplicated	I mustn't have been quintuplicating
you mustn't have been quintuplicating
she mustn't have been quintuplicating
we mustn't have been quintuplicating
you mustn't have been quintuplicating
they mustn't have been quintuplicating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I quintuplicate?
must you quintuplicate?
must she quintuplicate?
must we quintuplicate?
must you quintuplicate?
must they quintuplicate? 	must I be quintuplicating?
must you be quintuplicating?
must she be quintuplicating?
must we be quintuplicating?
must you be quintuplicating?
must they be quintuplicating? 	must I have quintuplicated?
must you have quintuplicated?
must she have quintuplicated?
must we have quintuplicated?
must you have quintuplicated?
must they have quintuplicated? 	must I have been quintuplicating?
must you have been quintuplicating?
must she have been quintuplicating?
must we have been quintuplicating?
must you have been quintuplicating?
must they have been quintuplicating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I quintuplicate?
mustn't you quintuplicate?
mustn't she quintuplicate?
mustn't we quintuplicate?
mustn't you quintuplicate?
mustn't they quintuplicate? 	mustn't I be quintuplicating?
mustn't you be quintuplicating?
mustn't she be quintuplicating?
mustn't we be quintuplicating?
mustn't you be quintuplicating?
mustn't they be quintuplicating? 	mustn't I have quintuplicated?
mustn't you have quintuplicated?
mustn't she have quintuplicated?
mustn't we have quintuplicated?
mustn't you have quintuplicated?
mustn't they have quintuplicated? 	mustn't I have been quintuplicating?
mustn't you have been quintuplicating?
mustn't she have been quintuplicating?
mustn't we have been quintuplicating?
mustn't you have been quintuplicating?
mustn't they have been quintuplicating?