English verb conjugation
COULD PREFABRICATE

Regular verb: prefabricate - prefabricated - prefabricated

Affirmation

Simple form	V-ing form
I could prefabricate you could prefabricate he could prefabricate we could prefabricate you could prefabricate they could prefabricate	I could be prefabricating you could be prefabricating he could be prefabricating we could be prefabricating you could be prefabricating they could be prefabricating
Perfect	V-ing perfect
I could have prefabricated you could have prefabricated he could have prefabricated we could have prefabricated you could have prefabricated they could have prefabricated	I could have been prefabricating you could have been prefabricating he could have been prefabricating we could have been prefabricating you could have been prefabricating they could have been prefabricating

Negation

Simple form	V-ing form
I could not prefabricate you could not prefabricate he could not prefabricate we could not prefabricate you could not prefabricate they could not prefabricate	I could not be prefabricating you could not be prefabricating he could not be prefabricating we could not be prefabricating you could not be prefabricating they could not be prefabricating
Perfect	V-ing perfect
I could not have prefabricated you could not have prefabricated he could not have prefabricated we could not have prefabricated you could not have prefabricated they could not have prefabricated	I could not have been prefabricating you could not have been prefabricating he could not have been prefabricating we could not have been prefabricating you could not have been prefabricating they could not have been prefabricating

Interrogative form

Simple form	V-ing form
could I prefabricate? could you prefabricate? could he prefabricate? could we prefabricate? could you prefabricate? could they prefabricate?	could I be prefabricating? could you be prefabricating? could he be prefabricating? could we be prefabricating? could you be prefabricating? could they be prefabricating?
Perfect	V-ing perfect
could I have prefabricated? could you have prefabricated? could he have prefabricated? could we have prefabricated? could you have prefabricated? could they have prefabricated?	could I have been prefabricating? could you have been prefabricating? could he have been prefabricating? could we have been prefabricating? could you have been prefabricating? could they have been prefabricating?

Interro-negative form

Simple form	V-ing form
could I not prefabricate? could you not prefabricate? could he not prefabricate? could we not prefabricate? could you not prefabricate? could they not prefabricate?	could I not be prefabricating? could you not be prefabricating? could he not be prefabricating? could we not be prefabricating? could you not be prefabricating? could they not be prefabricating?
Perfect	V-ing perfect
could I not have prefabricated? could you not have prefabricated? could he not have prefabricated? could we not have prefabricated? could you not have prefabricated? could they not have prefabricated?	could I not have been prefabricating? could you not have been prefabricating? could he not have been prefabricating? could we not have been prefabricating? could you not have been prefabricating? could they not have been prefabricating?