English verb conjugation
COULD ITEM

Regular verb: item - itemed - itemed

Affirmation

Simple form	V-ing form
I could item you could item she could item we could item you could item they could item	I could be iteming you could be iteming she 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 she 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 she 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 couldn't item you couldn't item she couldn't item we couldn't item you couldn't item they couldn't item	I couldn't be iteming you couldn't be iteming she couldn't be iteming we couldn't be iteming you couldn't be iteming they couldn't be iteming
Perfect	V-ing perfect
I couldn't have itemed you couldn't have itemed she couldn't have itemed we couldn't have itemed you couldn't have itemed they couldn't have itemed	I couldn't have been iteming you couldn't have been iteming she couldn't have been iteming we couldn't have been iteming you couldn't have been iteming they couldn't have been iteming

Interrogative form

Simple form	V-ing form
could I item? could you item? could she item? could we item? could you item? could they item?	could I be iteming? could you be iteming? could she 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 she 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 she 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
couldn't I item? couldn't you item? couldn't she item? couldn't we item? couldn't you item? couldn't they item?	couldn't I be iteming? couldn't you be iteming? couldn't she be iteming? couldn't we be iteming? couldn't you be iteming? couldn't they be iteming?
Perfect	V-ing perfect
couldn't I have itemed? couldn't you have itemed? couldn't she have itemed? couldn't we have itemed? couldn't you have itemed? couldn't they have itemed?	couldn't I have been iteming? couldn't you have been iteming? couldn't she have been iteming? couldn't we have been iteming? couldn't you have been iteming? couldn't they have been iteming?