English verb conjugation
COULD DEOXIDIZE

Regular verb: deoxidize - deoxidized - deoxidized

Affirmation

Simple form	V-ing form
I could deoxidize you could deoxidize he could deoxidize we could deoxidize you could deoxidize they could deoxidize	I could be deoxidizing you could be deoxidizing he could be deoxidizing we could be deoxidizing you could be deoxidizing they could be deoxidizing
Perfect	V-ing perfect
I could have deoxidized you could have deoxidized he could have deoxidized we could have deoxidized you could have deoxidized they could have deoxidized	I could have been deoxidizing you could have been deoxidizing he could have been deoxidizing we could have been deoxidizing you could have been deoxidizing they could have been deoxidizing

Negation

Simple form	V-ing form
I couldn't deoxidize you couldn't deoxidize he couldn't deoxidize we couldn't deoxidize you couldn't deoxidize they couldn't deoxidize	I couldn't be deoxidizing you couldn't be deoxidizing he couldn't be deoxidizing we couldn't be deoxidizing you couldn't be deoxidizing they couldn't be deoxidizing
Perfect	V-ing perfect
I couldn't have deoxidized you couldn't have deoxidized he couldn't have deoxidized we couldn't have deoxidized you couldn't have deoxidized they couldn't have deoxidized	I couldn't have been deoxidizing you couldn't have been deoxidizing he couldn't have been deoxidizing we couldn't have been deoxidizing you couldn't have been deoxidizing they couldn't have been deoxidizing

Interrogative form

Simple form	V-ing form
could I deoxidize? could you deoxidize? could he deoxidize? could we deoxidize? could you deoxidize? could they deoxidize?	could I be deoxidizing? could you be deoxidizing? could he be deoxidizing? could we be deoxidizing? could you be deoxidizing? could they be deoxidizing?
Perfect	V-ing perfect
could I have deoxidized? could you have deoxidized? could he have deoxidized? could we have deoxidized? could you have deoxidized? could they have deoxidized?	could I have been deoxidizing? could you have been deoxidizing? could he have been deoxidizing? could we have been deoxidizing? could you have been deoxidizing? could they have been deoxidizing?

Interro-negative form

Simple form	V-ing form
couldn't I deoxidize? couldn't you deoxidize? couldn't he deoxidize? couldn't we deoxidize? couldn't you deoxidize? couldn't they deoxidize?	couldn't I be deoxidizing? couldn't you be deoxidizing? couldn't he be deoxidizing? couldn't we be deoxidizing? couldn't you be deoxidizing? couldn't they be deoxidizing?
Perfect	V-ing perfect
couldn't I have deoxidized? couldn't you have deoxidized? couldn't he have deoxidized? couldn't we have deoxidized? couldn't you have deoxidized? couldn't they have deoxidized?	couldn't I have been deoxidizing? couldn't you have been deoxidizing? couldn't he have been deoxidizing? couldn't we have been deoxidizing? couldn't you have been deoxidizing? couldn't they have been deoxidizing?