must impregnate
Regular verb: impregnate - impregnated- impregnated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must impregnate
you must impregnate
he must impregnate
we must impregnate
you must impregnate
they must impregnate 	I must be impregnating
you must be impregnating
he must be impregnating
we must be impregnating
you must be impregnating
they must be impregnating	I must have impregnated
you must have impregnated
he must have impregnated
we must have impregnated
you must have impregnated
they must have impregnated	I must have been impregnating
you must have been impregnating
he must have been impregnating
we must have been impregnating
you must have been impregnating
they must have been impregnating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't impregnate
you mustn't impregnate
he mustn't impregnate
we mustn't impregnate
you mustn't impregnate
they mustn't impregnate 	I mustn't be impregnating
you mustn't be impregnating
he mustn't be impregnating
we mustn't be impregnating
you mustn't be impregnating
they mustn't be impregnating	I mustn't have impregnated
you mustn't have impregnated
he mustn't have impregnated
we mustn't have impregnated
you mustn't have impregnated
they mustn't have impregnated	I mustn't have been impregnating
you mustn't have been impregnating
he mustn't have been impregnating
we mustn't have been impregnating
you mustn't have been impregnating
they mustn't have been impregnating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I impregnate?
must you impregnate?
must he impregnate?
must we impregnate?
must you impregnate?
must they impregnate? 	must I be impregnating?
must you be impregnating?
must he be impregnating?
must we be impregnating?
must you be impregnating?
must they be impregnating? 	must I have impregnated?
must you have impregnated?
must he have impregnated?
must we have impregnated?
must you have impregnated?
must they have impregnated? 	must I have been impregnating?
must you have been impregnating?
must he have been impregnating?
must we have been impregnating?
must you have been impregnating?
must they have been impregnating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I impregnate?
mustn't you impregnate?
mustn't he impregnate?
mustn't we impregnate?
mustn't you impregnate?
mustn't they impregnate? 	mustn't I be impregnating?
mustn't you be impregnating?
mustn't he be impregnating?
mustn't we be impregnating?
mustn't you be impregnating?
mustn't they be impregnating? 	mustn't I have impregnated?
mustn't you have impregnated?
mustn't he have impregnated?
mustn't we have impregnated?
mustn't you have impregnated?
mustn't they have impregnated? 	mustn't I have been impregnating?
mustn't you have been impregnating?
mustn't he have been impregnating?
mustn't we have been impregnating?
mustn't you have been impregnating?
mustn't they have been impregnating?