English verb conjugation
COULD ANAESTHETIZE

Regular verb: anaesthetize - anaesthetized - anaesthetized

Affirmation

Simple form	V-ing form
I could anaesthetize you could anaesthetize he could anaesthetize we could anaesthetize you could anaesthetize they could anaesthetize	I could be anaesthetizing you could be anaesthetizing he could be anaesthetizing we could be anaesthetizing you could be anaesthetizing they could be anaesthetizing
Perfect	V-ing perfect
I could have anaesthetized you could have anaesthetized he could have anaesthetized we could have anaesthetized you could have anaesthetized they could have anaesthetized	I could have been anaesthetizing you could have been anaesthetizing he could have been anaesthetizing we could have been anaesthetizing you could have been anaesthetizing they could have been anaesthetizing

Negation

Simple form	V-ing form
I couldn't anaesthetize you couldn't anaesthetize he couldn't anaesthetize we couldn't anaesthetize you couldn't anaesthetize they couldn't anaesthetize	I couldn't be anaesthetizing you couldn't be anaesthetizing he couldn't be anaesthetizing we couldn't be anaesthetizing you couldn't be anaesthetizing they couldn't be anaesthetizing
Perfect	V-ing perfect
I couldn't have anaesthetized you couldn't have anaesthetized he couldn't have anaesthetized we couldn't have anaesthetized you couldn't have anaesthetized they couldn't have anaesthetized	I couldn't have been anaesthetizing you couldn't have been anaesthetizing he couldn't have been anaesthetizing we couldn't have been anaesthetizing you couldn't have been anaesthetizing they couldn't have been anaesthetizing

Interrogative form

Simple form	V-ing form
could I anaesthetize? could you anaesthetize? could he anaesthetize? could we anaesthetize? could you anaesthetize? could they anaesthetize?	could I be anaesthetizing? could you be anaesthetizing? could he be anaesthetizing? could we be anaesthetizing? could you be anaesthetizing? could they be anaesthetizing?
Perfect	V-ing perfect
could I have anaesthetized? could you have anaesthetized? could he have anaesthetized? could we have anaesthetized? could you have anaesthetized? could they have anaesthetized?	could I have been anaesthetizing? could you have been anaesthetizing? could he have been anaesthetizing? could we have been anaesthetizing? could you have been anaesthetizing? could they have been anaesthetizing?

Interro-negative form

Simple form	V-ing form
couldn't I anaesthetize? couldn't you anaesthetize? couldn't he anaesthetize? couldn't we anaesthetize? couldn't you anaesthetize? couldn't they anaesthetize?	couldn't I be anaesthetizing? couldn't you be anaesthetizing? couldn't he be anaesthetizing? couldn't we be anaesthetizing? couldn't you be anaesthetizing? couldn't they be anaesthetizing?
Perfect	V-ing perfect
couldn't I have anaesthetized? couldn't you have anaesthetized? couldn't he have anaesthetized? couldn't we have anaesthetized? couldn't you have anaesthetized? couldn't they have anaesthetized?	couldn't I have been anaesthetizing? couldn't you have been anaesthetizing? couldn't he have been anaesthetizing? couldn't we have been anaesthetizing? couldn't you have been anaesthetizing? couldn't they have been anaesthetizing?