English verb conjugation
CAN FLICKER

Regular verb: flicker - flickered - flickered

Affirmation

Simple form	V-ing form
I can flicker you can flicker he can flicker we can flicker you can flicker they can flicker	I can be flickering you can be flickering he can be flickering we can be flickering you can be flickering they can be flickering
Perfect	V-ing perfect
I can have flickered you can have flickered he can have flickered we can have flickered you can have flickered they can have flickered	I can have been flickering you can have been flickering he can have been flickering we can have been flickering you can have been flickering they can have been flickering

Negation

Simple form	V-ing form
I can't flicker you can't flicker he can't flicker we can't flicker you can't flicker they can't flicker	I can't be flickering you can't be flickering he can't be flickering we can't be flickering you can't be flickering they can't be flickering
Perfect	V-ing perfect
I can't have flickered you can't have flickered he can't have flickered we can't have flickered you can't have flickered they can't have flickered	I can't have been flickering you can't have been flickering he can't have been flickering we can't have been flickering you can't have been flickering they can't have been flickering

Interrogative form

Simple form	V-ing form
can I flicker? can you flicker? can he flicker? can we flicker? can you flicker? can they flicker?	can I be flickering? can you be flickering? can he be flickering? can we be flickering? can you be flickering? can they be flickering?
Perfect	V-ing perfect
can I have flickered? can you have flickered? can he have flickered? can we have flickered? can you have flickered? can they have flickered?	can I have been flickering? can you have been flickering? can he have been flickering? can we have been flickering? can you have been flickering? can they have been flickering?

Interro-negative form

Simple form	V-ing form
can't I flicker? can't you flicker? can't he flicker? can't we flicker? can't you flicker? can't they flicker?	can't I be flickering? can't you be flickering? can't he be flickering? can't we be flickering? can't you be flickering? can't they be flickering?
Perfect	V-ing perfect
can't I have flickered? can't you have flickered? can't he have flickered? can't we have flickered? can't you have flickered? can't they have flickered?	can't I have been flickering? can't you have been flickering? can't he have been flickering? can't we have been flickering? can't you have been flickering? can't they have been flickering?