English verb conjugation
CAN CONCEDE

Regular verb: concede - conceded - conceded

Affirmation

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