English verb conjugation
COULD PREMANUFACTURE

Regular verb: premanufacture - premanufactured - premanufactured

Affirmation

Simple form	V-ing form
I could premanufacture you could premanufacture he could premanufacture we could premanufacture you could premanufacture they could premanufacture	I could be premanufacturing you could be premanufacturing he could be premanufacturing we could be premanufacturing you could be premanufacturing they could be premanufacturing
Perfect	V-ing perfect
I could have premanufactured you could have premanufactured he could have premanufactured we could have premanufactured you could have premanufactured they could have premanufactured	I could have been premanufacturing you could have been premanufacturing he could have been premanufacturing we could have been premanufacturing you could have been premanufacturing they could have been premanufacturing

Negation

Simple form	V-ing form
I couldn't premanufacture you couldn't premanufacture he couldn't premanufacture we couldn't premanufacture you couldn't premanufacture they couldn't premanufacture	I couldn't be premanufacturing you couldn't be premanufacturing he couldn't be premanufacturing we couldn't be premanufacturing you couldn't be premanufacturing they couldn't be premanufacturing
Perfect	V-ing perfect
I couldn't have premanufactured you couldn't have premanufactured he couldn't have premanufactured we couldn't have premanufactured you couldn't have premanufactured they couldn't have premanufactured	I couldn't have been premanufacturing you couldn't have been premanufacturing he couldn't have been premanufacturing we couldn't have been premanufacturing you couldn't have been premanufacturing they couldn't have been premanufacturing

Interrogative form

Simple form	V-ing form
could I premanufacture? could you premanufacture? could he premanufacture? could we premanufacture? could you premanufacture? could they premanufacture?	could I be premanufacturing? could you be premanufacturing? could he be premanufacturing? could we be premanufacturing? could you be premanufacturing? could they be premanufacturing?
Perfect	V-ing perfect
could I have premanufactured? could you have premanufactured? could he have premanufactured? could we have premanufactured? could you have premanufactured? could they have premanufactured?	could I have been premanufacturing? could you have been premanufacturing? could he have been premanufacturing? could we have been premanufacturing? could you have been premanufacturing? could they have been premanufacturing?

Interro-negative form

Simple form	V-ing form
couldn't I premanufacture? couldn't you premanufacture? couldn't he premanufacture? couldn't we premanufacture? couldn't you premanufacture? couldn't they premanufacture?	couldn't I be premanufacturing? couldn't you be premanufacturing? couldn't he be premanufacturing? couldn't we be premanufacturing? couldn't you be premanufacturing? couldn't they be premanufacturing?
Perfect	V-ing perfect
couldn't I have premanufactured? couldn't you have premanufactured? couldn't he have premanufactured? couldn't we have premanufactured? couldn't you have premanufactured? couldn't they have premanufactured?	couldn't I have been premanufacturing? couldn't you have been premanufacturing? couldn't he have been premanufacturing? couldn't we have been premanufacturing? couldn't you have been premanufacturing? couldn't they have been premanufacturing?