English verb conjugation
COULD FORESWEAR

Irregular verb: foreswear - foreswore - foresworn

Affirmation

Simple form	V-ing form
I could foreswear you could foreswear she could foreswear we could foreswear you could foreswear they could foreswear	I could be foreswearing you could be foreswearing she could be foreswearing we could be foreswearing you could be foreswearing they could be foreswearing
Perfect	V-ing perfect
I could have foresworn you could have foresworn she could have foresworn we could have foresworn you could have foresworn they could have foresworn	I could have been foreswearing you could have been foreswearing she could have been foreswearing we could have been foreswearing you could have been foreswearing they could have been foreswearing

Negation

Simple form	V-ing form
I could not foreswear you could not foreswear she could not foreswear we could not foreswear you could not foreswear they could not foreswear	I could not be foreswearing you could not be foreswearing she could not be foreswearing we could not be foreswearing you could not be foreswearing they could not be foreswearing
Perfect	V-ing perfect
I could not have foresworn you could not have foresworn she could not have foresworn we could not have foresworn you could not have foresworn they could not have foresworn	I could not have been foreswearing you could not have been foreswearing she could not have been foreswearing we could not have been foreswearing you could not have been foreswearing they could not have been foreswearing

Interrogative form

Simple form	V-ing form
could I foreswear? could you foreswear? could she foreswear? could we foreswear? could you foreswear? could they foreswear?	could I be foreswearing? could you be foreswearing? could she be foreswearing? could we be foreswearing? could you be foreswearing? could they be foreswearing?
Perfect	V-ing perfect
could I have foresworn? could you have foresworn? could she have foresworn? could we have foresworn? could you have foresworn? could they have foresworn?	could I have been foreswearing? could you have been foreswearing? could she have been foreswearing? could we have been foreswearing? could you have been foreswearing? could they have been foreswearing?

Interro-negative form

Simple form	V-ing form
could I not foreswear? could you not foreswear? could she not foreswear? could we not foreswear? could you not foreswear? could they not foreswear?	could I not be foreswearing? could you not be foreswearing? could she not be foreswearing? could we not be foreswearing? could you not be foreswearing? could they not be foreswearing?
Perfect	V-ing perfect
could I not have foresworn? could you not have foresworn? could she not have foresworn? could we not have foresworn? could you not have foresworn? could they not have foresworn?	could I not have been foreswearing? could you not have been foreswearing? could she not have been foreswearing? could we not have been foreswearing? could you not have been foreswearing? could they not have been foreswearing?