English verb conjugation
COULD FORSWEAR

Irregular verb: forswear - forswore - forsworn

Affirmation

Simple form	V-ing form
I could forswear you could forswear she could forswear we could forswear you could forswear they could forswear	I could be forswearing you could be forswearing she 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 she 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 she 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 she 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 she 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 she 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 she 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 she forswear? could we forswear? could you forswear? could they forswear?	could I be forswearing? could you be forswearing? could she 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 she 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 she 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 she 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 she 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 she 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 she have been forswearing? couldn't we have been forswearing? couldn't you have been forswearing? couldn't they have been forswearing?