Conjugación del verbo inglés
COULD RICHEN

Verbo regular: richen - richened - richened

Afirmación

Forma simple	Forma con V-ing
I could richen you could richen he could richen we could richen you could richen they could richen	I could be richening you could be richening he could be richening we could be richening you could be richening they could be richening
Perfecto	Perfecto con V-ing
I could have richened you could have richened he could have richened we could have richened you could have richened they could have richened	I could have been richening you could have been richening he could have been richening we could have been richening you could have been richening they could have been richening

Negación

Forma simple	Forma con V-ing
I could not richen you could not richen he could not richen we could not richen you could not richen they could not richen	I could not be richening you could not be richening he could not be richening we could not be richening you could not be richening they could not be richening
Perfecto	Perfecto con V-ing
I could not have richened you could not have richened he could not have richened we could not have richened you could not have richened they could not have richened	I could not have been richening you could not have been richening he could not have been richening we could not have been richening you could not have been richening they could not have been richening

Forma interrogativa

Forma simple	Forma con V-ing
could I richen? could you richen? could he richen? could we richen? could you richen? could they richen?	could I be richening? could you be richening? could he be richening? could we be richening? could you be richening? could they be richening?
Perfecto	Perfecto con V-ing
could I have richened? could you have richened? could he have richened? could we have richened? could you have richened? could they have richened?	could I have been richening? could you have been richening? could he have been richening? could we have been richening? could you have been richening? could they have been richening?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not richen? could you not richen? could he not richen? could we not richen? could you not richen? could they not richen?	could I not be richening? could you not be richening? could he not be richening? could we not be richening? could you not be richening? could they not be richening?
Perfecto	Perfecto con V-ing
could I not have richened? could you not have richened? could he not have richened? could we not have richened? could you not have richened? could they not have richened?	could I not have been richening? could you not have been richening? could he not have been richening? could we not have been richening? could you not have been richening? could they not have been richening?