English verb conjugation
COULD ITEM

Regular verb: item - itemed - itemed

Affirmation

Simple form	V-ing form
I could item you could item he could item we could item you could item they could item	I could be iteming you could be iteming he could be iteming we could be iteming you could be iteming they could be iteming
Perfect	V-ing perfect
I could have itemed you could have itemed he could have itemed we could have itemed you could have itemed they could have itemed	I could have been iteming you could have been iteming he could have been iteming we could have been iteming you could have been iteming they could have been iteming

Negation

Simple form	V-ing form
I could not item you could not item he could not item we could not item you could not item they could not item	I could not be iteming you could not be iteming he could not be iteming we could not be iteming you could not be iteming they could not be iteming
Perfect	V-ing perfect
I could not have itemed you could not have itemed he could not have itemed we could not have itemed you could not have itemed they could not have itemed	I could not have been iteming you could not have been iteming he could not have been iteming we could not have been iteming you could not have been iteming they could not have been iteming

Interrogative form

Simple form	V-ing form
could I item? could you item? could he item? could we item? could you item? could they item?	could I be iteming? could you be iteming? could he be iteming? could we be iteming? could you be iteming? could they be iteming?
Perfect	V-ing perfect
could I have itemed? could you have itemed? could he have itemed? could we have itemed? could you have itemed? could they have itemed?	could I have been iteming? could you have been iteming? could he have been iteming? could we have been iteming? could you have been iteming? could they have been iteming?

Interro-negative form

Simple form	V-ing form
could I not item? could you not item? could he not item? could we not item? could you not item? could they not item?	could I not be iteming? could you not be iteming? could he not be iteming? could we not be iteming? could you not be iteming? could they not be iteming?
Perfect	V-ing perfect
could I not have itemed? could you not have itemed? could he not have itemed? could we not have itemed? could you not have itemed? could they not have itemed?	could I not have been iteming? could you not have been iteming? could he not have been iteming? could we not have been iteming? could you not have been iteming? could they not have been iteming?