can flicker
Regular verb: flicker - flickered- flickered

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