I can blinker you can blinker he can blinker we can blinker you can blinker they can blinker
V-ing form
I can be blinkering you can be blinkering he can be blinkering we can be blinkering you can be blinkering they can be blinkering
Perfect
I can have blinkered you can have blinkered he can have blinkered we can have blinkered you can have blinkered they can have blinkered
V-ing perfect
I can have been blinkering you can have been blinkering he can have been blinkering we can have been blinkering you can have been blinkering they can have been blinkering
Negation
Simple form
I can't blinker you can't blinker he can't blinker we can't blinker you can't blinker they can't blinker
V-ing form
I can't be blinkering you can't be blinkering he can't be blinkering we can't be blinkering you can't be blinkering they can't be blinkering
Perfect
I can't have blinkered you can't have blinkered he can't have blinkered we can't have blinkered you can't have blinkered they can't have blinkered
V-ing perfect
I can't have been blinkering you can't have been blinkering he can't have been blinkering we can't have been blinkering you can't have been blinkering they can't have been blinkering
Interrogative form
Simple form
can I blinker? can you blinker? can he blinker? can we blinker? can you blinker? can they blinker?
V-ing form
can I be blinkering? can you be blinkering? can he be blinkering? can we be blinkering? can you be blinkering? can they be blinkering?
Perfect
can I have blinkered? can you have blinkered? can he have blinkered? can we have blinkered? can you have blinkered? can they have blinkered?
V-ing perfect
can I have been blinkering? can you have been blinkering? can he have been blinkering? can we have been blinkering? can you have been blinkering? can they have been blinkering?
Interro-negative form
Simple form
can't I blinker? can't you blinker? can't he blinker? can't we blinker? can't you blinker? can't they blinker?
V-ing form
can't I be blinkering? can't you be blinkering? can't he be blinkering? can't we be blinkering? can't you be blinkering? can't they be blinkering?
Perfect
can't I have blinkered? can't you have blinkered? can't he have blinkered? can't we have blinkered? can't you have blinkered? can't they have blinkered?
V-ing perfect
can't I have been blinkering? can't you have been blinkering? can't he have been blinkering? can't we have been blinkering? can't you have been blinkering? can't they have been blinkering?