English verb conjugation
MUST GASP

Regular verb: gasp - gasped - gasped

Affirmation

Simple form	V-ing form
I must gasp you must gasp he must gasp we must gasp you must gasp they must gasp	I must be gasping you must be gasping he must be gasping we must be gasping you must be gasping they must be gasping
Perfect	V-ing perfect
I must have gasped you must have gasped he must have gasped we must have gasped you must have gasped they must have gasped	I must have been gasping you must have been gasping he must have been gasping we must have been gasping you must have been gasping they must have been gasping

Negation

Simple form	V-ing form
I must not gasp you must not gasp he must not gasp we must not gasp you must not gasp they must not gasp	I must not be gasping you must not be gasping he must not be gasping we must not be gasping you must not be gasping they must not be gasping
Perfect	V-ing perfect
I must not have gasped you must not have gasped he must not have gasped we must not have gasped you must not have gasped they must not have gasped	I must not have been gasping you must not have been gasping he must not have been gasping we must not have been gasping you must not have been gasping they must not have been gasping

Interrogative form

Simple form	V-ing form
must I gasp? must you gasp? must he gasp? must we gasp? must you gasp? must they gasp?	must I be gasping? must you be gasping? must he be gasping? must we be gasping? must you be gasping? must they be gasping?
Perfect	V-ing perfect
must I have gasped? must you have gasped? must he have gasped? must we have gasped? must you have gasped? must they have gasped?	must I have been gasping? must you have been gasping? must he have been gasping? must we have been gasping? must you have been gasping? must they have been gasping?

Interro-negative form

Simple form	V-ing form
must I not gasp? must you not gasp? must he not gasp? must we not gasp? must you not gasp? must they not gasp?	must I not be gasping? must you not be gasping? must he not be gasping? must we not be gasping? must you not be gasping? must they not be gasping?
Perfect	V-ing perfect
must I not have gasped? must you not have gasped? must he not have gasped? must we not have gasped? must you not have gasped? must they not have gasped?	must I not have been gasping? must you not have been gasping? must he not have been gasping? must we not have been gasping? must you not have been gasping? must they not have been gasping?