must gasp
Regular verb: gasp - gasped- gasped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?