English verb conjugation
COULD RETROSPECT

Regular verb: retrospect - retrospected - retrospected

Affirmation

Simple form	V-ing form
I could retrospect you could retrospect he could retrospect we could retrospect you could retrospect they could retrospect	I could be retrospecting you could be retrospecting he could be retrospecting we could be retrospecting you could be retrospecting they could be retrospecting
Perfect	V-ing perfect
I could have retrospected you could have retrospected he could have retrospected we could have retrospected you could have retrospected they could have retrospected	I could have been retrospecting you could have been retrospecting he could have been retrospecting we could have been retrospecting you could have been retrospecting they could have been retrospecting

Negation

Simple form	V-ing form
I could not retrospect you could not retrospect he could not retrospect we could not retrospect you could not retrospect they could not retrospect	I could not be retrospecting you could not be retrospecting he could not be retrospecting we could not be retrospecting you could not be retrospecting they could not be retrospecting
Perfect	V-ing perfect
I could not have retrospected you could not have retrospected he could not have retrospected we could not have retrospected you could not have retrospected they could not have retrospected	I could not have been retrospecting you could not have been retrospecting he could not have been retrospecting we could not have been retrospecting you could not have been retrospecting they could not have been retrospecting

Interrogative form

Simple form	V-ing form
could I retrospect? could you retrospect? could he retrospect? could we retrospect? could you retrospect? could they retrospect?	could I be retrospecting? could you be retrospecting? could he be retrospecting? could we be retrospecting? could you be retrospecting? could they be retrospecting?
Perfect	V-ing perfect
could I have retrospected? could you have retrospected? could he have retrospected? could we have retrospected? could you have retrospected? could they have retrospected?	could I have been retrospecting? could you have been retrospecting? could he have been retrospecting? could we have been retrospecting? could you have been retrospecting? could they have been retrospecting?

Interro-negative form

Simple form	V-ing form
could I not retrospect? could you not retrospect? could he not retrospect? could we not retrospect? could you not retrospect? could they not retrospect?	could I not be retrospecting? could you not be retrospecting? could he not be retrospecting? could we not be retrospecting? could you not be retrospecting? could they not be retrospecting?
Perfect	V-ing perfect
could I not have retrospected? could you not have retrospected? could he not have retrospected? could we not have retrospected? could you not have retrospected? could they not have retrospected?	could I not have been retrospecting? could you not have been retrospecting? could he not have been retrospecting? could we not have been retrospecting? could you not have been retrospecting? could they not have been retrospecting?