I could effectuate you could effectuate she could effectuate we could effectuate you could effectuate they could effectuate
V-ing form
I could be effectuating you could be effectuating she could be effectuating we could be effectuating you could be effectuating they could be effectuating
Perfect
I could have effectuated you could have effectuated she 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 she could have been effectuating we could have been effectuating you could have been effectuating they could have been effectuating
Negation
Simple form
I couldn't effectuate you couldn't effectuate she couldn't effectuate we couldn't effectuate you couldn't effectuate they couldn't effectuate
V-ing form
I couldn't be effectuating you couldn't be effectuating she couldn't be effectuating we couldn't be effectuating you couldn't be effectuating they couldn't be effectuating
Perfect
I couldn't have effectuated you couldn't have effectuated she couldn't have effectuated we couldn't have effectuated you couldn't have effectuated they couldn't have effectuated
V-ing perfect
I couldn't have been effectuating you couldn't have been effectuating she couldn't have been effectuating we couldn't have been effectuating you couldn't have been effectuating they couldn't have been effectuating
Interrogative form
Simple form
could I effectuate? could you effectuate? could she effectuate? could we effectuate? could you effectuate? could they effectuate?
V-ing form
could I be effectuating? could you be effectuating? could she be effectuating? could we be effectuating? could you be effectuating? could they be effectuating?
Perfect
could I have effectuated? could you have effectuated? could she 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 she have been effectuating? could we have been effectuating? could you have been effectuating? could they have been effectuating?
Interro-negative form
Simple form
couldn't I effectuate? couldn't you effectuate? couldn't she effectuate? couldn't we effectuate? couldn't you effectuate? couldn't they effectuate?
V-ing form
couldn't I be effectuating? couldn't you be effectuating? couldn't she be effectuating? couldn't we be effectuating? couldn't you be effectuating? couldn't they be effectuating?
Perfect
couldn't I have effectuated? couldn't you have effectuated? couldn't she have effectuated? couldn't we have effectuated? couldn't you have effectuated? couldn't they have effectuated?
V-ing perfect
couldn't I have been effectuating? couldn't you have been effectuating? couldn't she have been effectuating? couldn't we have been effectuating? couldn't you have been effectuating? couldn't they have been effectuating?