English verb conjugation
MUST PINION

Regular verb: pinion - pinioned - pinioned

Affirmation

Simple form	V-ing form
I must pinion you must pinion he must pinion we must pinion you must pinion they must pinion	I must be pinioning you must be pinioning he must be pinioning we must be pinioning you must be pinioning they must be pinioning
Perfect	V-ing perfect
I must have pinioned you must have pinioned he must have pinioned we must have pinioned you must have pinioned they must have pinioned	I must have been pinioning you must have been pinioning he must have been pinioning we must have been pinioning you must have been pinioning they must have been pinioning

Negation

Simple form	V-ing form
I must not pinion you must not pinion he must not pinion we must not pinion you must not pinion they must not pinion	I must not be pinioning you must not be pinioning he must not be pinioning we must not be pinioning you must not be pinioning they must not be pinioning
Perfect	V-ing perfect
I must not have pinioned you must not have pinioned he must not have pinioned we must not have pinioned you must not have pinioned they must not have pinioned	I must not have been pinioning you must not have been pinioning he must not have been pinioning we must not have been pinioning you must not have been pinioning they must not have been pinioning

Interrogative form

Simple form	V-ing form
must I pinion? must you pinion? must he pinion? must we pinion? must you pinion? must they pinion?	must I be pinioning? must you be pinioning? must he be pinioning? must we be pinioning? must you be pinioning? must they be pinioning?
Perfect	V-ing perfect
must I have pinioned? must you have pinioned? must he have pinioned? must we have pinioned? must you have pinioned? must they have pinioned?	must I have been pinioning? must you have been pinioning? must he have been pinioning? must we have been pinioning? must you have been pinioning? must they have been pinioning?

Interro-negative form

Simple form	V-ing form
must I not pinion? must you not pinion? must he not pinion? must we not pinion? must you not pinion? must they not pinion?	must I not be pinioning? must you not be pinioning? must he not be pinioning? must we not be pinioning? must you not be pinioning? must they not be pinioning?
Perfect	V-ing perfect
must I not have pinioned? must you not have pinioned? must he not have pinioned? must we not have pinioned? must you not have pinioned? must they not have pinioned?	must I not have been pinioning? must you not have been pinioning? must he not have been pinioning? must we not have been pinioning? must you not have been pinioning? must they not have been pinioning?