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 mustn't clasp you mustn't clasp he mustn't clasp we mustn't clasp you mustn't clasp they mustn't clasp	I mustn't be clasping you mustn't be clasping he mustn't be clasping we mustn't be clasping you mustn't be clasping they mustn't be clasping
Perfect	V-ing perfect
I mustn't have clasped you mustn't have clasped he mustn't have clasped we mustn't have clasped you mustn't have clasped they mustn't have clasped	I mustn't have been clasping you mustn't have been clasping he mustn't have been clasping we mustn't have been clasping you mustn't have been clasping they mustn't 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
mustn't I clasp? mustn't you clasp? mustn't he clasp? mustn't we clasp? mustn't you clasp? mustn't they clasp?	mustn't I be clasping? mustn't you be clasping? mustn't he be clasping? mustn't we be clasping? mustn't you be clasping? mustn't they be clasping?
Perfect	V-ing perfect
mustn't I have clasped? mustn't you have clasped? mustn't he have clasped? mustn't we have clasped? mustn't you have clasped? mustn't they have clasped?	mustn't I have been clasping? mustn't you have been clasping? mustn't he have been clasping? mustn't we have been clasping? mustn't you have been clasping? mustn't they have been clasping?