can concede
Regular verb: concede - conceded- conceded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can concede
you can concede
she can concede
we can concede
you can concede
they can concede 	I can be conceding
you can be conceding
she can be conceding
we can be conceding
you can be conceding
they can be conceding	I can have conceded
you can have conceded
she can have conceded
we can have conceded
you can have conceded
they can have conceded	I can have been conceding
you can have been conceding
she can have been conceding
we can have been conceding
you can have been conceding
they can have been conceding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't concede
you can't concede
she can't concede
we can't concede
you can't concede
they can't concede 	I can't be conceding
you can't be conceding
she can't be conceding
we can't be conceding
you can't be conceding
they can't be conceding	I can't have conceded
you can't have conceded
she can't have conceded
we can't have conceded
you can't have conceded
they can't have conceded	I can't have been conceding
you can't have been conceding
she can't have been conceding
we can't have been conceding
you can't have been conceding
they can't have been conceding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I concede?
can you concede?
can she concede?
can we concede?
can you concede?
can they concede? 	can I be conceding?
can you be conceding?
can she be conceding?
can we be conceding?
can you be conceding?
can they be conceding? 	can I have conceded?
can you have conceded?
can she have conceded?
can we have conceded?
can you have conceded?
can they have conceded? 	can I have been conceding?
can you have been conceding?
can she have been conceding?
can we have been conceding?
can you have been conceding?
can they have been conceding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I concede?
can't you concede?
can't she concede?
can't we concede?
can't you concede?
can't they concede? 	can't I be conceding?
can't you be conceding?
can't she be conceding?
can't we be conceding?
can't you be conceding?
can't they be conceding? 	can't I have conceded?
can't you have conceded?
can't she have conceded?
can't we have conceded?
can't you have conceded?
can't they have conceded? 	can't I have been conceding?
can't you have been conceding?
can't she have been conceding?
can't we have been conceding?
can't you have been conceding?
can't they have been conceding?