English verb conjugation
COULD BLINKER

Regular verb: blinker - blinkered - blinkered

Affirmation

Simple form	V-ing form
I could blinker you could blinker he could blinker we could blinker you could blinker they could blinker	I could be blinkering you could be blinkering he could be blinkering we could be blinkering you could be blinkering they could be blinkering
Perfect	V-ing perfect
I could have blinkered you could have blinkered he could have blinkered we could have blinkered you could have blinkered they could have blinkered	I could have been blinkering you could have been blinkering he could have been blinkering we could have been blinkering you could have been blinkering they could have been blinkering

Negation

Simple form	V-ing form
I could not blinker you could not blinker he could not blinker we could not blinker you could not blinker they could not blinker	I could not be blinkering you could not be blinkering he could not be blinkering we could not be blinkering you could not be blinkering they could not be blinkering
Perfect	V-ing perfect
I could not have blinkered you could not have blinkered he could not have blinkered we could not have blinkered you could not have blinkered they could not have blinkered	I could not have been blinkering you could not have been blinkering he could not have been blinkering we could not have been blinkering you could not have been blinkering they could not have been blinkering

Interrogative form

Simple form	V-ing form
could I blinker? could you blinker? could he blinker? could we blinker? could you blinker? could they blinker?	could I be blinkering? could you be blinkering? could he be blinkering? could we be blinkering? could you be blinkering? could they be blinkering?
Perfect	V-ing perfect
could I have blinkered? could you have blinkered? could he have blinkered? could we have blinkered? could you have blinkered? could they have blinkered?	could I have been blinkering? could you have been blinkering? could he have been blinkering? could we have been blinkering? could you have been blinkering? could they have been blinkering?

Interro-negative form

Simple form	V-ing form
could I not blinker? could you not blinker? could he not blinker? could we not blinker? could you not blinker? could they not blinker?	could I not be blinkering? could you not be blinkering? could he not be blinkering? could we not be blinkering? could you not be blinkering? could they not be blinkering?
Perfect	V-ing perfect
could I not have blinkered? could you not have blinkered? could he not have blinkered? could we not have blinkered? could you not have blinkered? could they not have blinkered?	could I not have been blinkering? could you not have been blinkering? could he not have been blinkering? could we not have been blinkering? could you not have been blinkering? could they not have been blinkering?