Conjugação do verbo inglês
COULD REGISTER

Verbo regular: register - registered - registered

Afirmação

Forma simple	Forma com V-ing
I could register you could register she could register we could register you could register they could register	I could be registering you could be registering she could be registering we could be registering you could be registering they could be registering
Perfeito	Perfeito com V-ing
I could have registered you could have registered she could have registered we could have registered you could have registered they could have registered	I could have been registering you could have been registering she could have been registering we could have been registering you could have been registering they could have been registering

Negação

Forma simple	Forma com V-ing
I couldn't register you couldn't register she couldn't register we couldn't register you couldn't register they couldn't register	I couldn't be registering you couldn't be registering she couldn't be registering we couldn't be registering you couldn't be registering they couldn't be registering
Perfeito	Perfeito com V-ing
I couldn't have registered you couldn't have registered she couldn't have registered we couldn't have registered you couldn't have registered they couldn't have registered	I couldn't have been registering you couldn't have been registering she couldn't have been registering we couldn't have been registering you couldn't have been registering they couldn't have been registering

Forma interrogativa

Forma simple	Forma com V-ing
could I register? could you register? could she register? could we register? could you register? could they register?	could I be registering? could you be registering? could she be registering? could we be registering? could you be registering? could they be registering?
Perfeito	Perfeito com V-ing
could I have registered? could you have registered? could she have registered? could we have registered? could you have registered? could they have registered?	could I have been registering? could you have been registering? could she have been registering? could we have been registering? could you have been registering? could they have been registering?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I register? couldn't you register? couldn't she register? couldn't we register? couldn't you register? couldn't they register?	couldn't I be registering? couldn't you be registering? couldn't she be registering? couldn't we be registering? couldn't you be registering? couldn't they be registering?
Perfeito	Perfeito com V-ing
couldn't I have registered? couldn't you have registered? couldn't she have registered? couldn't we have registered? couldn't you have registered? couldn't they have registered?	couldn't I have been registering? couldn't you have been registering? couldn't she have been registering? couldn't we have been registering? couldn't you have been registering? couldn't they have been registering?