English verb conjugation
COULD FORESWEAR

Irregular verb: foreswear - foreswore - foresworn

Affirmation

Simple form	V-ing form
I could foreswear you could foreswear he could foreswear we could foreswear you could foreswear they could foreswear	I could be foreswearing you could be foreswearing he 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 he 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 he 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 couldn't foreswear you couldn't foreswear he couldn't foreswear we couldn't foreswear you couldn't foreswear they couldn't foreswear	I couldn't be foreswearing you couldn't be foreswearing he couldn't be foreswearing we couldn't be foreswearing you couldn't be foreswearing they couldn't be foreswearing
Perfect	V-ing perfect
I couldn't have foresworn you couldn't have foresworn he couldn't have foresworn we couldn't have foresworn you couldn't have foresworn they couldn't have foresworn	I couldn't have been foreswearing you couldn't have been foreswearing he couldn't have been foreswearing we couldn't have been foreswearing you couldn't have been foreswearing they couldn't have been foreswearing

Interrogative form

Simple form	V-ing form
could I foreswear? could you foreswear? could he foreswear? could we foreswear? could you foreswear? could they foreswear?	could I be foreswearing? could you be foreswearing? could he 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 he 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 he 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
couldn't I foreswear? couldn't you foreswear? couldn't he foreswear? couldn't we foreswear? couldn't you foreswear? couldn't they foreswear?	couldn't I be foreswearing? couldn't you be foreswearing? couldn't he be foreswearing? couldn't we be foreswearing? couldn't you be foreswearing? couldn't they be foreswearing?
Perfect	V-ing perfect
couldn't I have foresworn? couldn't you have foresworn? couldn't he have foresworn? couldn't we have foresworn? couldn't you have foresworn? couldn't they have foresworn?	couldn't I have been foreswearing? couldn't you have been foreswearing? couldn't he have been foreswearing? couldn't we have been foreswearing? couldn't you have been foreswearing? couldn't they have been foreswearing?