English verb conjugation
MUST FORSWEAR

Irregular verb: forswear - forswore - forsworn

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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