English verb conjugation
COULD APOSTROPHIZE

Regular verb: apostrophize - apostrophized - apostrophized

Affirmation

Simple form	V-ing form
I could apostrophize you could apostrophize he could apostrophize we could apostrophize you could apostrophize they could apostrophize	I could be apostrophizing you could be apostrophizing he could be apostrophizing we could be apostrophizing you could be apostrophizing they could be apostrophizing
Perfect	V-ing perfect
I could have apostrophized you could have apostrophized he could have apostrophized we could have apostrophized you could have apostrophized they could have apostrophized	I could have been apostrophizing you could have been apostrophizing he could have been apostrophizing we could have been apostrophizing you could have been apostrophizing they could have been apostrophizing

Negation

Simple form	V-ing form
I couldn't apostrophize you couldn't apostrophize he couldn't apostrophize we couldn't apostrophize you couldn't apostrophize they couldn't apostrophize	I couldn't be apostrophizing you couldn't be apostrophizing he couldn't be apostrophizing we couldn't be apostrophizing you couldn't be apostrophizing they couldn't be apostrophizing
Perfect	V-ing perfect
I couldn't have apostrophized you couldn't have apostrophized he couldn't have apostrophized we couldn't have apostrophized you couldn't have apostrophized they couldn't have apostrophized	I couldn't have been apostrophizing you couldn't have been apostrophizing he couldn't have been apostrophizing we couldn't have been apostrophizing you couldn't have been apostrophizing they couldn't have been apostrophizing

Interrogative form

Simple form	V-ing form
could I apostrophize? could you apostrophize? could he apostrophize? could we apostrophize? could you apostrophize? could they apostrophize?	could I be apostrophizing? could you be apostrophizing? could he be apostrophizing? could we be apostrophizing? could you be apostrophizing? could they be apostrophizing?
Perfect	V-ing perfect
could I have apostrophized? could you have apostrophized? could he have apostrophized? could we have apostrophized? could you have apostrophized? could they have apostrophized?	could I have been apostrophizing? could you have been apostrophizing? could he have been apostrophizing? could we have been apostrophizing? could you have been apostrophizing? could they have been apostrophizing?

Interro-negative form

Simple form	V-ing form
couldn't I apostrophize? couldn't you apostrophize? couldn't he apostrophize? couldn't we apostrophize? couldn't you apostrophize? couldn't they apostrophize?	couldn't I be apostrophizing? couldn't you be apostrophizing? couldn't he be apostrophizing? couldn't we be apostrophizing? couldn't you be apostrophizing? couldn't they be apostrophizing?
Perfect	V-ing perfect
couldn't I have apostrophized? couldn't you have apostrophized? couldn't he have apostrophized? couldn't we have apostrophized? couldn't you have apostrophized? couldn't they have apostrophized?	couldn't I have been apostrophizing? couldn't you have been apostrophizing? couldn't he have been apostrophizing? couldn't we have been apostrophizing? couldn't you have been apostrophizing? couldn't they have been apostrophizing?