could impregnate
Regular verb: impregnate - impregnated- impregnated

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

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

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

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