English verb conjugation
COULD SANITIZE SANITIZE SANITIZE SANITIZE

Regular verb: sanitize sanitize sanitize sanitize - sanitize sanitize sanitize sanitized - sanitize sanitize sanitize sanitized

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could sanitize sanitize sanitize sanitize you could sanitize sanitize sanitize sanitize she could sanitize sanitize sanitize sanitize we could sanitize sanitize sanitize sanitize you could sanitize sanitize sanitize sanitize they could sanitize sanitize sanitize sanitize	I could be sanitize sanitize sanitize sanitizing you could be sanitize sanitize sanitize sanitizing she could be sanitize sanitize sanitize sanitizing we could be sanitize sanitize sanitize sanitizing you could be sanitize sanitize sanitize sanitizing they could be sanitize sanitize sanitize sanitizing
Perfect	V-ing perfect
I could have sanitize sanitize sanitize sanitized you could have sanitize sanitize sanitize sanitized she could have sanitize sanitize sanitize sanitized we could have sanitize sanitize sanitize sanitized you could have sanitize sanitize sanitize sanitized they could have sanitize sanitize sanitize sanitized	I could have been sanitize sanitize sanitize sanitizing you could have been sanitize sanitize sanitize sanitizing she could have been sanitize sanitize sanitize sanitizing we could have been sanitize sanitize sanitize sanitizing you could have been sanitize sanitize sanitize sanitizing they could have been sanitize sanitize sanitize sanitizing

Negation

Simple form	V-ing form
I couldn't sanitize sanitize sanitize sanitize you couldn't sanitize sanitize sanitize sanitize she couldn't sanitize sanitize sanitize sanitize we couldn't sanitize sanitize sanitize sanitize you couldn't sanitize sanitize sanitize sanitize they couldn't sanitize sanitize sanitize sanitize	I couldn't be sanitize sanitize sanitize sanitizing you couldn't be sanitize sanitize sanitize sanitizing she couldn't be sanitize sanitize sanitize sanitizing we couldn't be sanitize sanitize sanitize sanitizing you couldn't be sanitize sanitize sanitize sanitizing they couldn't be sanitize sanitize sanitize sanitizing
Perfect	V-ing perfect
I couldn't have sanitize sanitize sanitize sanitized you couldn't have sanitize sanitize sanitize sanitized she couldn't have sanitize sanitize sanitize sanitized we couldn't have sanitize sanitize sanitize sanitized you couldn't have sanitize sanitize sanitize sanitized they couldn't have sanitize sanitize sanitize sanitized	I couldn't have been sanitize sanitize sanitize sanitizing you couldn't have been sanitize sanitize sanitize sanitizing she couldn't have been sanitize sanitize sanitize sanitizing we couldn't have been sanitize sanitize sanitize sanitizing you couldn't have been sanitize sanitize sanitize sanitizing they couldn't have been sanitize sanitize sanitize sanitizing

Interrogative form

Simple form	V-ing form
could I sanitize sanitize sanitize sanitize? could you sanitize sanitize sanitize sanitize? could she sanitize sanitize sanitize sanitize? could we sanitize sanitize sanitize sanitize? could you sanitize sanitize sanitize sanitize? could they sanitize sanitize sanitize sanitize?	could I be sanitize sanitize sanitize sanitizing? could you be sanitize sanitize sanitize sanitizing? could she be sanitize sanitize sanitize sanitizing? could we be sanitize sanitize sanitize sanitizing? could you be sanitize sanitize sanitize sanitizing? could they be sanitize sanitize sanitize sanitizing?
Perfect	V-ing perfect
could I have sanitize sanitize sanitize sanitized? could you have sanitize sanitize sanitize sanitized? could she have sanitize sanitize sanitize sanitized? could we have sanitize sanitize sanitize sanitized? could you have sanitize sanitize sanitize sanitized? could they have sanitize sanitize sanitize sanitized?	could I have been sanitize sanitize sanitize sanitizing? could you have been sanitize sanitize sanitize sanitizing? could she have been sanitize sanitize sanitize sanitizing? could we have been sanitize sanitize sanitize sanitizing? could you have been sanitize sanitize sanitize sanitizing? could they have been sanitize sanitize sanitize sanitizing?

Interro-negative form

Simple form	V-ing form
couldn't I sanitize sanitize sanitize sanitize? couldn't you sanitize sanitize sanitize sanitize? couldn't she sanitize sanitize sanitize sanitize? couldn't we sanitize sanitize sanitize sanitize? couldn't you sanitize sanitize sanitize sanitize? couldn't they sanitize sanitize sanitize sanitize?	couldn't I be sanitize sanitize sanitize sanitizing? couldn't you be sanitize sanitize sanitize sanitizing? couldn't she be sanitize sanitize sanitize sanitizing? couldn't we be sanitize sanitize sanitize sanitizing? couldn't you be sanitize sanitize sanitize sanitizing? couldn't they be sanitize sanitize sanitize sanitizing?
Perfect	V-ing perfect
couldn't I have sanitize sanitize sanitize sanitized? couldn't you have sanitize sanitize sanitize sanitized? couldn't she have sanitize sanitize sanitize sanitized? couldn't we have sanitize sanitize sanitize sanitized? couldn't you have sanitize sanitize sanitize sanitized? couldn't they have sanitize sanitize sanitize sanitized?	couldn't I have been sanitize sanitize sanitize sanitizing? couldn't you have been sanitize sanitize sanitize sanitizing? couldn't she have been sanitize sanitize sanitize sanitizing? couldn't we have been sanitize sanitize sanitize sanitizing? couldn't you have been sanitize sanitize sanitize sanitizing? couldn't they have been sanitize sanitize sanitize sanitizing?