English verb conjugation
COULD COLLUMATE

Regular verb: collumate - collumated - collumated

Affirmation

Simple form	V-ing form
I could collumate you could collumate he could collumate we could collumate you could collumate they could collumate	I could be collumating you could be collumating he could be collumating we could be collumating you could be collumating they could be collumating
Perfect	V-ing perfect
I could have collumated you could have collumated he could have collumated we could have collumated you could have collumated they could have collumated	I could have been collumating you could have been collumating he could have been collumating we could have been collumating you could have been collumating they could have been collumating

Negation

Simple form	V-ing form
I could not collumate you could not collumate he could not collumate we could not collumate you could not collumate they could not collumate	I could not be collumating you could not be collumating he could not be collumating we could not be collumating you could not be collumating they could not be collumating
Perfect	V-ing perfect
I could not have collumated you could not have collumated he could not have collumated we could not have collumated you could not have collumated they could not have collumated	I could not have been collumating you could not have been collumating he could not have been collumating we could not have been collumating you could not have been collumating they could not have been collumating

Interrogative form

Simple form	V-ing form
could I collumate? could you collumate? could he collumate? could we collumate? could you collumate? could they collumate?	could I be collumating? could you be collumating? could he be collumating? could we be collumating? could you be collumating? could they be collumating?
Perfect	V-ing perfect
could I have collumated? could you have collumated? could he have collumated? could we have collumated? could you have collumated? could they have collumated?	could I have been collumating? could you have been collumating? could he have been collumating? could we have been collumating? could you have been collumating? could they have been collumating?

Interro-negative form

Simple form	V-ing form
could I not collumate? could you not collumate? could he not collumate? could we not collumate? could you not collumate? could they not collumate?	could I not be collumating? could you not be collumating? could he not be collumating? could we not be collumating? could you not be collumating? could they not be collumating?
Perfect	V-ing perfect
could I not have collumated? could you not have collumated? could he not have collumated? could we not have collumated? could you not have collumated? could they not have collumated?	could I not have been collumating? could you not have been collumating? could he not have been collumating? could we not have been collumating? could you not have been collumating? could they not have been collumating?