English verb conjugation
COULD ANESTHETIZE

Regular verb: anesthetize - anesthetized - anesthetized

Affirmation

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