English verb conjugation
COULD FOREKNOW

Irregular verb: foreknow - foreknew - foreknown

Affirmation

Simple form	V-ing form
I could foreknow you could foreknow he could foreknow we could foreknow you could foreknow they could foreknow	I could be foreknowing you could be foreknowing he could be foreknowing we could be foreknowing you could be foreknowing they could be foreknowing
Perfect	V-ing perfect
I could have foreknown you could have foreknown he could have foreknown we could have foreknown you could have foreknown they could have foreknown	I could have been foreknowing you could have been foreknowing he could have been foreknowing we could have been foreknowing you could have been foreknowing they could have been foreknowing

Negation

Simple form	V-ing form
I couldn't foreknow you couldn't foreknow he couldn't foreknow we couldn't foreknow you couldn't foreknow they couldn't foreknow	I couldn't be foreknowing you couldn't be foreknowing he couldn't be foreknowing we couldn't be foreknowing you couldn't be foreknowing they couldn't be foreknowing
Perfect	V-ing perfect
I couldn't have foreknown you couldn't have foreknown he couldn't have foreknown we couldn't have foreknown you couldn't have foreknown they couldn't have foreknown	I couldn't have been foreknowing you couldn't have been foreknowing he couldn't have been foreknowing we couldn't have been foreknowing you couldn't have been foreknowing they couldn't have been foreknowing

Interrogative form

Simple form	V-ing form
could I foreknow? could you foreknow? could he foreknow? could we foreknow? could you foreknow? could they foreknow?	could I be foreknowing? could you be foreknowing? could he be foreknowing? could we be foreknowing? could you be foreknowing? could they be foreknowing?
Perfect	V-ing perfect
could I have foreknown? could you have foreknown? could he have foreknown? could we have foreknown? could you have foreknown? could they have foreknown?	could I have been foreknowing? could you have been foreknowing? could he have been foreknowing? could we have been foreknowing? could you have been foreknowing? could they have been foreknowing?

Interro-negative form

Simple form	V-ing form
couldn't I foreknow? couldn't you foreknow? couldn't he foreknow? couldn't we foreknow? couldn't you foreknow? couldn't they foreknow?	couldn't I be foreknowing? couldn't you be foreknowing? couldn't he be foreknowing? couldn't we be foreknowing? couldn't you be foreknowing? couldn't they be foreknowing?
Perfect	V-ing perfect
couldn't I have foreknown? couldn't you have foreknown? couldn't he have foreknown? couldn't we have foreknown? couldn't you have foreknown? couldn't they have foreknown?	couldn't I have been foreknowing? couldn't you have been foreknowing? couldn't he have been foreknowing? couldn't we have been foreknowing? couldn't you have been foreknowing? couldn't they have been foreknowing?