must captivate
Regular verb: captivate - captivated- captivated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must captivate
you must captivate
she must captivate
we must captivate
you must captivate
they must captivate 	I must be captivating
you must be captivating
she must be captivating
we must be captivating
you must be captivating
they must be captivating	I must have captivated
you must have captivated
she must have captivated
we must have captivated
you must have captivated
they must have captivated	I must have been captivating
you must have been captivating
she must have been captivating
we must have been captivating
you must have been captivating
they must have been captivating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't captivate
you mustn't captivate
she mustn't captivate
we mustn't captivate
you mustn't captivate
they mustn't captivate 	I mustn't be captivating
you mustn't be captivating
she mustn't be captivating
we mustn't be captivating
you mustn't be captivating
they mustn't be captivating	I mustn't have captivated
you mustn't have captivated
she mustn't have captivated
we mustn't have captivated
you mustn't have captivated
they mustn't have captivated	I mustn't have been captivating
you mustn't have been captivating
she mustn't have been captivating
we mustn't have been captivating
you mustn't have been captivating
they mustn't have been captivating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I captivate?
must you captivate?
must she captivate?
must we captivate?
must you captivate?
must they captivate? 	must I be captivating?
must you be captivating?
must she be captivating?
must we be captivating?
must you be captivating?
must they be captivating? 	must I have captivated?
must you have captivated?
must she have captivated?
must we have captivated?
must you have captivated?
must they have captivated? 	must I have been captivating?
must you have been captivating?
must she have been captivating?
must we have been captivating?
must you have been captivating?
must they have been captivating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I captivate?
mustn't you captivate?
mustn't she captivate?
mustn't we captivate?
mustn't you captivate?
mustn't they captivate? 	mustn't I be captivating?
mustn't you be captivating?
mustn't she be captivating?
mustn't we be captivating?
mustn't you be captivating?
mustn't they be captivating? 	mustn't I have captivated?
mustn't you have captivated?
mustn't she have captivated?
mustn't we have captivated?
mustn't you have captivated?
mustn't they have captivated? 	mustn't I have been captivating?
mustn't you have been captivating?
mustn't she have been captivating?
mustn't we have been captivating?
mustn't you have been captivating?
mustn't they have been captivating?