English verb conjugation
COULD ITEMISE

Regular verb: itemise - itemised - itemised

Affirmation

Simple form	V-ing form
I could itemise you could itemise he could itemise we could itemise you could itemise they could itemise	I could be itemising you could be itemising he could be itemising we could be itemising you could be itemising they could be itemising
Perfect	V-ing perfect
I could have itemised you could have itemised he could have itemised we could have itemised you could have itemised they could have itemised	I could have been itemising you could have been itemising he could have been itemising we could have been itemising you could have been itemising they could have been itemising

Negation

Simple form	V-ing form
I couldn't itemise you couldn't itemise he couldn't itemise we couldn't itemise you couldn't itemise they couldn't itemise	I couldn't be itemising you couldn't be itemising he couldn't be itemising we couldn't be itemising you couldn't be itemising they couldn't be itemising
Perfect	V-ing perfect
I couldn't have itemised you couldn't have itemised he couldn't have itemised we couldn't have itemised you couldn't have itemised they couldn't have itemised	I couldn't have been itemising you couldn't have been itemising he couldn't have been itemising we couldn't have been itemising you couldn't have been itemising they couldn't have been itemising

Interrogative form

Simple form	V-ing form
could I itemise? could you itemise? could he itemise? could we itemise? could you itemise? could they itemise?	could I be itemising? could you be itemising? could he be itemising? could we be itemising? could you be itemising? could they be itemising?
Perfect	V-ing perfect
could I have itemised? could you have itemised? could he have itemised? could we have itemised? could you have itemised? could they have itemised?	could I have been itemising? could you have been itemising? could he have been itemising? could we have been itemising? could you have been itemising? could they have been itemising?

Interro-negative form

Simple form	V-ing form
couldn't I itemise? couldn't you itemise? couldn't he itemise? couldn't we itemise? couldn't you itemise? couldn't they itemise?	couldn't I be itemising? couldn't you be itemising? couldn't he be itemising? couldn't we be itemising? couldn't you be itemising? couldn't they be itemising?
Perfect	V-ing perfect
couldn't I have itemised? couldn't you have itemised? couldn't he have itemised? couldn't we have itemised? couldn't you have itemised? couldn't they have itemised?	couldn't I have been itemising? couldn't you have been itemising? couldn't he have been itemising? couldn't we have been itemising? couldn't you have been itemising? couldn't they have been itemising?