Conjugación del verbo inglés
CAN CONCUSS

Verbo regular: concuss - concussed - concussed

Afirmación

Forma simple	Forma con V-ing
I can concuss you can concuss she can concuss we can concuss you can concuss they can concuss	I can be concussing you can be concussing she can be concussing we can be concussing you can be concussing they can be concussing
Perfecto	Perfecto con V-ing
I can have concussed you can have concussed she can have concussed we can have concussed you can have concussed they can have concussed	I can have been concussing you can have been concussing she can have been concussing we can have been concussing you can have been concussing they can have been concussing

Negación

Forma simple	Forma con V-ing
I can't concuss you can't concuss she can't concuss we can't concuss you can't concuss they can't concuss	I can't be concussing you can't be concussing she can't be concussing we can't be concussing you can't be concussing they can't be concussing
Perfecto	Perfecto con V-ing
I can't have concussed you can't have concussed she can't have concussed we can't have concussed you can't have concussed they can't have concussed	I can't have been concussing you can't have been concussing she can't have been concussing we can't have been concussing you can't have been concussing they can't have been concussing

Forma interrogativa

Forma simple	Forma con V-ing
can I concuss? can you concuss? can she concuss? can we concuss? can you concuss? can they concuss?	can I be concussing? can you be concussing? can she be concussing? can we be concussing? can you be concussing? can they be concussing?
Perfecto	Perfecto con V-ing
can I have concussed? can you have concussed? can she have concussed? can we have concussed? can you have concussed? can they have concussed?	can I have been concussing? can you have been concussing? can she have been concussing? can we have been concussing? can you have been concussing? can they have been concussing?

Forma interro-negativa

Forma simple	Forma con V-ing
can't I concuss? can't you concuss? can't she concuss? can't we concuss? can't you concuss? can't they concuss?	can't I be concussing? can't you be concussing? can't she be concussing? can't we be concussing? can't you be concussing? can't they be concussing?
Perfecto	Perfecto con V-ing
can't I have concussed? can't you have concussed? can't she have concussed? can't we have concussed? can't you have concussed? can't they have concussed?	can't I have been concussing? can't you have been concussing? can't she have been concussing? can't we have been concussing? can't you have been concussing? can't they have been concussing?