could anesthetize
Regular verb: anesthetize - anesthetized- anesthetized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could anesthetize
you could anesthetize
he could anesthetize
we could anesthetize
you could anesthetize
they could anesthetize 	I could be anesthetizing
you could be anesthetizing
he could be anesthetizing
we could be anesthetizing
you could be anesthetizing
they could be anesthetizing	I could have anesthetized
you could have anesthetized
he could have anesthetized
we could have anesthetized
you could have anesthetized
they could have anesthetized	I could have been anesthetizing
you could have been anesthetizing
he could have been anesthetizing
we could have been anesthetizing
you could have been anesthetizing
they could have been anesthetizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not anesthetize
you could not anesthetize
he could not anesthetize
we could not anesthetize
you could not anesthetize
they could not anesthetize 	I could not be anesthetizing
you could not be anesthetizing
he could not be anesthetizing
we could not be anesthetizing
you could not be anesthetizing
they could not be anesthetizing	I could not have anesthetized
you could not have anesthetized
he could not have anesthetized
we could not have anesthetized
you could not have anesthetized
they could not have anesthetized	I could not have been anesthetizing
you could not have been anesthetizing
he could not have been anesthetizing
we could not have been anesthetizing
you could not have been anesthetizing
they could not have been anesthetizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I anesthetize?
could you anesthetize?
could he anesthetize?
could we anesthetize?
could you anesthetize?
could they anesthetize? 	could I be anesthetizing?
could you be anesthetizing?
could he be anesthetizing?
could we be anesthetizing?
could you be anesthetizing?
could they be anesthetizing? 	could I have anesthetized?
could you have anesthetized?
could he have anesthetized?
could we have anesthetized?
could you have anesthetized?
could they have anesthetized? 	could I have been anesthetizing?
could you have been anesthetizing?
could he have been anesthetizing?
could we have been anesthetizing?
could you have been anesthetizing?
could they have been anesthetizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not anesthetize?
could you not anesthetize?
could he not anesthetize?
could we not anesthetize?
could you not anesthetize?
could they not anesthetize? 	could I not be anesthetizing?
could you not be anesthetizing?
could he not be anesthetizing?
could we not be anesthetizing?
could you not be anesthetizing?
could they not be anesthetizing? 	could I not have anesthetized?
could you not have anesthetized?
could he not have anesthetized?
could we not have anesthetized?
could you not have anesthetized?
could they not have anesthetized? 	could I not have been anesthetizing?
could you not have been anesthetizing?
could he not have been anesthetizing?
could we not have been anesthetizing?
could you not have been anesthetizing?
could they not have been anesthetizing?