Conjugación del verbo inglés
COULD ASSIST

Verbo regular: assist - assisted - assisted

Afirmación

Forma simple	Forma con V-ing
I could assist you could assist he could assist we could assist you could assist they could assist	I could be assisting you could be assisting he could be assisting we could be assisting you could be assisting they could be assisting
Perfecto	Perfecto con V-ing
I could have assisted you could have assisted he could have assisted we could have assisted you could have assisted they could have assisted	I could have been assisting you could have been assisting he could have been assisting we could have been assisting you could have been assisting they could have been assisting

Negación

Forma simple	Forma con V-ing
I could not assist you could not assist he could not assist we could not assist you could not assist they could not assist	I could not be assisting you could not be assisting he could not be assisting we could not be assisting you could not be assisting they could not be assisting
Perfecto	Perfecto con V-ing
I could not have assisted you could not have assisted he could not have assisted we could not have assisted you could not have assisted they could not have assisted	I could not have been assisting you could not have been assisting he could not have been assisting we could not have been assisting you could not have been assisting they could not have been assisting

Forma interrogativa

Forma simple	Forma con V-ing
could I assist? could you assist? could he assist? could we assist? could you assist? could they assist?	could I be assisting? could you be assisting? could he be assisting? could we be assisting? could you be assisting? could they be assisting?
Perfecto	Perfecto con V-ing
could I have assisted? could you have assisted? could he have assisted? could we have assisted? could you have assisted? could they have assisted?	could I have been assisting? could you have been assisting? could he have been assisting? could we have been assisting? could you have been assisting? could they have been assisting?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not assist? could you not assist? could he not assist? could we not assist? could you not assist? could they not assist?	could I not be assisting? could you not be assisting? could he not be assisting? could we not be assisting? could you not be assisting? could they not be assisting?
Perfecto	Perfecto con V-ing
could I not have assisted? could you not have assisted? could he not have assisted? could we not have assisted? could you not have assisted? could they not have assisted?	could I not have been assisting? could you not have been assisting? could he not have been assisting? could we not have been assisting? could you not have been assisting? could they not have been assisting?