English verb conjugation
MUST CLASP

Regular verb: clasp - clasped - clasped

Affirmation

Simple form	V-ing form
I must clasp you must clasp he must clasp we must clasp you must clasp they must clasp	I must be clasping you must be clasping he must be clasping we must be clasping you must be clasping they must be clasping
Perfect	V-ing perfect
I must have clasped you must have clasped he must have clasped we must have clasped you must have clasped they must have clasped	I must have been clasping you must have been clasping he must have been clasping we must have been clasping you must have been clasping they must have been clasping

Negation

Simple form	V-ing form
I must not clasp you must not clasp he must not clasp we must not clasp you must not clasp they must not clasp	I must not be clasping you must not be clasping he must not be clasping we must not be clasping you must not be clasping they must not be clasping
Perfect	V-ing perfect
I must not have clasped you must not have clasped he must not have clasped we must not have clasped you must not have clasped they must not have clasped	I must not have been clasping you must not have been clasping he must not have been clasping we must not have been clasping you must not have been clasping they must not have been clasping

Interrogative form

Simple form	V-ing form
must I clasp? must you clasp? must he clasp? must we clasp? must you clasp? must they clasp?	must I be clasping? must you be clasping? must he be clasping? must we be clasping? must you be clasping? must they be clasping?
Perfect	V-ing perfect
must I have clasped? must you have clasped? must he have clasped? must we have clasped? must you have clasped? must they have clasped?	must I have been clasping? must you have been clasping? must he have been clasping? must we have been clasping? must you have been clasping? must they have been clasping?

Interro-negative form

Simple form	V-ing form
must I not clasp? must you not clasp? must he not clasp? must we not clasp? must you not clasp? must they not clasp?	must I not be clasping? must you not be clasping? must he not be clasping? must we not be clasping? must you not be clasping? must they not be clasping?
Perfect	V-ing perfect
must I not have clasped? must you not have clasped? must he not have clasped? must we not have clasped? must you not have clasped? must they not have clasped?	must I not have been clasping? must you not have been clasping? must he not have been clasping? must we not have been clasping? must you not have been clasping? must they not have been clasping?