Conjugación del verbo inglés
COULD ENGINEER

Verbo regular: engineer - engineered - engineered

Afirmación

Forma simple	Forma con V-ing
I could engineer you could engineer he could engineer we could engineer you could engineer they could engineer	I could be engineering you could be engineering he could be engineering we could be engineering you could be engineering they could be engineering
Perfecto	Perfecto con V-ing
I could have engineered you could have engineered he could have engineered we could have engineered you could have engineered they could have engineered	I could have been engineering you could have been engineering he could have been engineering we could have been engineering you could have been engineering they could have been engineering

Negación

Forma simple	Forma con V-ing
I could not engineer you could not engineer he could not engineer we could not engineer you could not engineer they could not engineer	I could not be engineering you could not be engineering he could not be engineering we could not be engineering you could not be engineering they could not be engineering
Perfecto	Perfecto con V-ing
I could not have engineered you could not have engineered he could not have engineered we could not have engineered you could not have engineered they could not have engineered	I could not have been engineering you could not have been engineering he could not have been engineering we could not have been engineering you could not have been engineering they could not have been engineering

Forma interrogativa

Forma simple	Forma con V-ing
could I engineer? could you engineer? could he engineer? could we engineer? could you engineer? could they engineer?	could I be engineering? could you be engineering? could he be engineering? could we be engineering? could you be engineering? could they be engineering?
Perfecto	Perfecto con V-ing
could I have engineered? could you have engineered? could he have engineered? could we have engineered? could you have engineered? could they have engineered?	could I have been engineering? could you have been engineering? could he have been engineering? could we have been engineering? could you have been engineering? could they have been engineering?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not engineer? could you not engineer? could he not engineer? could we not engineer? could you not engineer? could they not engineer?	could I not be engineering? could you not be engineering? could he not be engineering? could we not be engineering? could you not be engineering? could they not be engineering?
Perfecto	Perfecto con V-ing
could I not have engineered? could you not have engineered? could he not have engineered? could we not have engineered? could you not have engineered? could they not have engineered?	could I not have been engineering? could you not have been engineering? could he not have been engineering? could we not have been engineering? could you not have been engineering? could they not have been engineering?