English verb conjugation
COULD OVERAFFECT

Regular verb: overaffect - overaffected - overaffected

Affirmation

Simple form	V-ing form
I could overaffect you could overaffect he could overaffect we could overaffect you could overaffect they could overaffect	I could be overaffecting you could be overaffecting he could be overaffecting we could be overaffecting you could be overaffecting they could be overaffecting
Perfect	V-ing perfect
I could have overaffected you could have overaffected he could have overaffected we could have overaffected you could have overaffected they could have overaffected	I could have been overaffecting you could have been overaffecting he could have been overaffecting we could have been overaffecting you could have been overaffecting they could have been overaffecting

Negation

Simple form	V-ing form
I couldn't overaffect you couldn't overaffect he couldn't overaffect we couldn't overaffect you couldn't overaffect they couldn't overaffect	I couldn't be overaffecting you couldn't be overaffecting he couldn't be overaffecting we couldn't be overaffecting you couldn't be overaffecting they couldn't be overaffecting
Perfect	V-ing perfect
I couldn't have overaffected you couldn't have overaffected he couldn't have overaffected we couldn't have overaffected you couldn't have overaffected they couldn't have overaffected	I couldn't have been overaffecting you couldn't have been overaffecting he couldn't have been overaffecting we couldn't have been overaffecting you couldn't have been overaffecting they couldn't have been overaffecting

Interrogative form

Simple form	V-ing form
could I overaffect? could you overaffect? could he overaffect? could we overaffect? could you overaffect? could they overaffect?	could I be overaffecting? could you be overaffecting? could he be overaffecting? could we be overaffecting? could you be overaffecting? could they be overaffecting?
Perfect	V-ing perfect
could I have overaffected? could you have overaffected? could he have overaffected? could we have overaffected? could you have overaffected? could they have overaffected?	could I have been overaffecting? could you have been overaffecting? could he have been overaffecting? could we have been overaffecting? could you have been overaffecting? could they have been overaffecting?

Interro-negative form

Simple form	V-ing form
couldn't I overaffect? couldn't you overaffect? couldn't he overaffect? couldn't we overaffect? couldn't you overaffect? couldn't they overaffect?	couldn't I be overaffecting? couldn't you be overaffecting? couldn't he be overaffecting? couldn't we be overaffecting? couldn't you be overaffecting? couldn't they be overaffecting?
Perfect	V-ing perfect
couldn't I have overaffected? couldn't you have overaffected? couldn't he have overaffected? couldn't we have overaffected? couldn't you have overaffected? couldn't they have overaffected?	couldn't I have been overaffecting? couldn't you have been overaffecting? couldn't he have been overaffecting? couldn't we have been overaffecting? couldn't you have been overaffecting? couldn't they have been overaffecting?