English verb conjugation
COULD FORSWEAR

Irregular verb: forswear - forswore - forsworn

Affirmation

Simple form	V-ing form
I could forswear you could forswear he could forswear we could forswear you could forswear they could forswear	I could be forswearing you could be forswearing he could be forswearing we could be forswearing you could be forswearing they could be forswearing
Perfect	V-ing perfect
I could have forsworn you could have forsworn he could have forsworn we could have forsworn you could have forsworn they could have forsworn	I could have been forswearing you could have been forswearing he could have been forswearing we could have been forswearing you could have been forswearing they could have been forswearing

Negation

Simple form	V-ing form
I couldn't forswear you couldn't forswear he couldn't forswear we couldn't forswear you couldn't forswear they couldn't forswear	I couldn't be forswearing you couldn't be forswearing he couldn't be forswearing we couldn't be forswearing you couldn't be forswearing they couldn't be forswearing
Perfect	V-ing perfect
I couldn't have forsworn you couldn't have forsworn he couldn't have forsworn we couldn't have forsworn you couldn't have forsworn they couldn't have forsworn	I couldn't have been forswearing you couldn't have been forswearing he couldn't have been forswearing we couldn't have been forswearing you couldn't have been forswearing they couldn't have been forswearing

Interrogative form

Simple form	V-ing form
could I forswear? could you forswear? could he forswear? could we forswear? could you forswear? could they forswear?	could I be forswearing? could you be forswearing? could he be forswearing? could we be forswearing? could you be forswearing? could they be forswearing?
Perfect	V-ing perfect
could I have forsworn? could you have forsworn? could he have forsworn? could we have forsworn? could you have forsworn? could they have forsworn?	could I have been forswearing? could you have been forswearing? could he have been forswearing? could we have been forswearing? could you have been forswearing? could they have been forswearing?

Interro-negative form

Simple form	V-ing form
couldn't I forswear? couldn't you forswear? couldn't he forswear? couldn't we forswear? couldn't you forswear? couldn't they forswear?	couldn't I be forswearing? couldn't you be forswearing? couldn't he be forswearing? couldn't we be forswearing? couldn't you be forswearing? couldn't they be forswearing?
Perfect	V-ing perfect
couldn't I have forsworn? couldn't you have forsworn? couldn't he have forsworn? couldn't we have forsworn? couldn't you have forsworn? couldn't they have forsworn?	couldn't I have been forswearing? couldn't you have been forswearing? couldn't he have been forswearing? couldn't we have been forswearing? couldn't you have been forswearing? couldn't they have been forswearing?