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 couldn't engineer you couldn't engineer he couldn't engineer we couldn't engineer you couldn't engineer they couldn't engineer	I couldn't be engineering you couldn't be engineering he couldn't be engineering we couldn't be engineering you couldn't be engineering they couldn't be engineering
Perfecto	Perfecto con V-ing
I couldn't have engineered you couldn't have engineered he couldn't have engineered we couldn't have engineered you couldn't have engineered they couldn't have engineered	I couldn't have been engineering you couldn't have been engineering he couldn't have been engineering we couldn't have been engineering you couldn't have been engineering they couldn't 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
couldn't I engineer? couldn't you engineer? couldn't he engineer? couldn't we engineer? couldn't you engineer? couldn't they engineer?	couldn't I be engineering? couldn't you be engineering? couldn't he be engineering? couldn't we be engineering? couldn't you be engineering? couldn't they be engineering?
Perfecto	Perfecto con V-ing
couldn't I have engineered? couldn't you have engineered? couldn't he have engineered? couldn't we have engineered? couldn't you have engineered? couldn't they have engineered?	couldn't I have been engineering? couldn't you have been engineering? couldn't he have been engineering? couldn't we have been engineering? couldn't you have been engineering? couldn't they have been engineering?