English verb conjugation
COULD OPTION

Regular verb: option - optioned - optioned

Affirmation

Simple form	V-ing form
I could option you could option he could option we could option you could option they could option	I could be optioning you could be optioning he could be optioning we could be optioning you could be optioning they could be optioning
Perfect	V-ing perfect
I could have optioned you could have optioned he could have optioned we could have optioned you could have optioned they could have optioned	I could have been optioning you could have been optioning he could have been optioning we could have been optioning you could have been optioning they could have been optioning

Negation

Simple form	V-ing form
I could not option you could not option he could not option we could not option you could not option they could not option	I could not be optioning you could not be optioning he could not be optioning we could not be optioning you could not be optioning they could not be optioning
Perfect	V-ing perfect
I could not have optioned you could not have optioned he could not have optioned we could not have optioned you could not have optioned they could not have optioned	I could not have been optioning you could not have been optioning he could not have been optioning we could not have been optioning you could not have been optioning they could not have been optioning

Interrogative form

Simple form	V-ing form
could I option? could you option? could he option? could we option? could you option? could they option?	could I be optioning? could you be optioning? could he be optioning? could we be optioning? could you be optioning? could they be optioning?
Perfect	V-ing perfect
could I have optioned? could you have optioned? could he have optioned? could we have optioned? could you have optioned? could they have optioned?	could I have been optioning? could you have been optioning? could he have been optioning? could we have been optioning? could you have been optioning? could they have been optioning?

Interro-negative form

Simple form	V-ing form
could I not option? could you not option? could he not option? could we not option? could you not option? could they not option?	could I not be optioning? could you not be optioning? could he not be optioning? could we not be optioning? could you not be optioning? could they not be optioning?
Perfect	V-ing perfect
could I not have optioned? could you not have optioned? could he not have optioned? could we not have optioned? could you not have optioned? could they not have optioned?	could I not have been optioning? could you not have been optioning? could he not have been optioning? could we not have been optioning? could you not have been optioning? could they not have been optioning?