could passivate
Regular verb: passivate - passivated- passivated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could passivate
you could passivate
he could passivate
we could passivate
you could passivate
they could passivate 	I could be passivating
you could be passivating
he could be passivating
we could be passivating
you could be passivating
they could be passivating	I could have passivated
you could have passivated
he could have passivated
we could have passivated
you could have passivated
they could have passivated	I could have been passivating
you could have been passivating
he could have been passivating
we could have been passivating
you could have been passivating
they could have been passivating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not passivate
you could not passivate
he could not passivate
we could not passivate
you could not passivate
they could not passivate 	I could not be passivating
you could not be passivating
he could not be passivating
we could not be passivating
you could not be passivating
they could not be passivating	I could not have passivated
you could not have passivated
he could not have passivated
we could not have passivated
you could not have passivated
they could not have passivated	I could not have been passivating
you could not have been passivating
he could not have been passivating
we could not have been passivating
you could not have been passivating
they could not have been passivating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I passivate?
could you passivate?
could he passivate?
could we passivate?
could you passivate?
could they passivate? 	could I be passivating?
could you be passivating?
could he be passivating?
could we be passivating?
could you be passivating?
could they be passivating? 	could I have passivated?
could you have passivated?
could he have passivated?
could we have passivated?
could you have passivated?
could they have passivated? 	could I have been passivating?
could you have been passivating?
could he have been passivating?
could we have been passivating?
could you have been passivating?
could they have been passivating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not passivate?
could you not passivate?
could he not passivate?
could we not passivate?
could you not passivate?
could they not passivate? 	could I not be passivating?
could you not be passivating?
could he not be passivating?
could we not be passivating?
could you not be passivating?
could they not be passivating? 	could I not have passivated?
could you not have passivated?
could he not have passivated?
could we not have passivated?
could you not have passivated?
could they not have passivated? 	could I not have been passivating?
could you not have been passivating?
could he not have been passivating?
could we not have been passivating?
could you not have been passivating?
could they not have been passivating?