English verb conjugation
COULD ITEMIZE

Regular verb: itemize - itemized - itemized

Affirmation

Simple form	V-ing form
I could itemize you could itemize she could itemize we could itemize you could itemize they could itemize	I could be itemizing you could be itemizing she could be itemizing we could be itemizing you could be itemizing they could be itemizing
Perfect	V-ing perfect
I could have itemized you could have itemized she could have itemized we could have itemized you could have itemized they could have itemized	I could have been itemizing you could have been itemizing she could have been itemizing we could have been itemizing you could have been itemizing they could have been itemizing

Negation

Simple form	V-ing form
I could not itemize you could not itemize she could not itemize we could not itemize you could not itemize they could not itemize	I could not be itemizing you could not be itemizing she could not be itemizing we could not be itemizing you could not be itemizing they could not be itemizing
Perfect	V-ing perfect
I could not have itemized you could not have itemized she could not have itemized we could not have itemized you could not have itemized they could not have itemized	I could not have been itemizing you could not have been itemizing she could not have been itemizing we could not have been itemizing you could not have been itemizing they could not have been itemizing

Interrogative form

Simple form	V-ing form
could I itemize? could you itemize? could she itemize? could we itemize? could you itemize? could they itemize?	could I be itemizing? could you be itemizing? could she be itemizing? could we be itemizing? could you be itemizing? could they be itemizing?
Perfect	V-ing perfect
could I have itemized? could you have itemized? could she have itemized? could we have itemized? could you have itemized? could they have itemized?	could I have been itemizing? could you have been itemizing? could she have been itemizing? could we have been itemizing? could you have been itemizing? could they have been itemizing?

Interro-negative form

Simple form	V-ing form
could I not itemize? could you not itemize? could she not itemize? could we not itemize? could you not itemize? could they not itemize?	could I not be itemizing? could you not be itemizing? could she not be itemizing? could we not be itemizing? could you not be itemizing? could they not be itemizing?
Perfect	V-ing perfect
could I not have itemized? could you not have itemized? could she not have itemized? could we not have itemized? could you not have itemized? could they not have itemized?	could I not have been itemizing? could you not have been itemizing? could she not have been itemizing? could we not have been itemizing? could you not have been itemizing? could they not have been itemizing?