I could effectuate you could effectuate he could effectuate we could effectuate you could effectuate they could effectuate
V-ing form
I could be effectuating you could be effectuating he could be effectuating we could be effectuating you could be effectuating they could be effectuating
Perfect
I could have effectuated you could have effectuated he could have effectuated we could have effectuated you could have effectuated they could have effectuated
V-ing perfect
I could have been effectuating you could have been effectuating he could have been effectuating we could have been effectuating you could have been effectuating they could have been effectuating
Negation
Simple form
I could not effectuate you could not effectuate he could not effectuate we could not effectuate you could not effectuate they could not effectuate
V-ing form
I could not be effectuating you could not be effectuating he could not be effectuating we could not be effectuating you could not be effectuating they could not be effectuating
Perfect
I could not have effectuated you could not have effectuated he could not have effectuated we could not have effectuated you could not have effectuated they could not have effectuated
V-ing perfect
I could not have been effectuating you could not have been effectuating he could not have been effectuating we could not have been effectuating you could not have been effectuating they could not have been effectuating
Interrogative form
Simple form
could I effectuate? could you effectuate? could he effectuate? could we effectuate? could you effectuate? could they effectuate?
V-ing form
could I be effectuating? could you be effectuating? could he be effectuating? could we be effectuating? could you be effectuating? could they be effectuating?
Perfect
could I have effectuated? could you have effectuated? could he have effectuated? could we have effectuated? could you have effectuated? could they have effectuated?
V-ing perfect
could I have been effectuating? could you have been effectuating? could he have been effectuating? could we have been effectuating? could you have been effectuating? could they have been effectuating?
Interro-negative form
Simple form
could I not effectuate? could you not effectuate? could he not effectuate? could we not effectuate? could you not effectuate? could they not effectuate?
V-ing form
could I not be effectuating? could you not be effectuating? could he not be effectuating? could we not be effectuating? could you not be effectuating? could they not be effectuating?
Perfect
could I not have effectuated? could you not have effectuated? could he not have effectuated? could we not have effectuated? could you not have effectuated? could they not have effectuated?
V-ing perfect
could I not have been effectuating? could you not have been effectuating? could he not have been effectuating? could we not have been effectuating? could you not have been effectuating? could they not have been effectuating?