must whimper
Regular verb: whimper - whimpered- whimpered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must whimper
you must whimper
he must whimper
we must whimper
you must whimper
they must whimper 	I must be whimpering
you must be whimpering
he must be whimpering
we must be whimpering
you must be whimpering
they must be whimpering	I must have whimpered
you must have whimpered
he must have whimpered
we must have whimpered
you must have whimpered
they must have whimpered	I must have been whimpering
you must have been whimpering
he must have been whimpering
we must have been whimpering
you must have been whimpering
they must have been whimpering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't whimper
you mustn't whimper
he mustn't whimper
we mustn't whimper
you mustn't whimper
they mustn't whimper 	I mustn't be whimpering
you mustn't be whimpering
he mustn't be whimpering
we mustn't be whimpering
you mustn't be whimpering
they mustn't be whimpering	I mustn't have whimpered
you mustn't have whimpered
he mustn't have whimpered
we mustn't have whimpered
you mustn't have whimpered
they mustn't have whimpered	I mustn't have been whimpering
you mustn't have been whimpering
he mustn't have been whimpering
we mustn't have been whimpering
you mustn't have been whimpering
they mustn't have been whimpering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I whimper?
must you whimper?
must he whimper?
must we whimper?
must you whimper?
must they whimper? 	must I be whimpering?
must you be whimpering?
must he be whimpering?
must we be whimpering?
must you be whimpering?
must they be whimpering? 	must I have whimpered?
must you have whimpered?
must he have whimpered?
must we have whimpered?
must you have whimpered?
must they have whimpered? 	must I have been whimpering?
must you have been whimpering?
must he have been whimpering?
must we have been whimpering?
must you have been whimpering?
must they have been whimpering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I whimper?
mustn't you whimper?
mustn't he whimper?
mustn't we whimper?
mustn't you whimper?
mustn't they whimper? 	mustn't I be whimpering?
mustn't you be whimpering?
mustn't he be whimpering?
mustn't we be whimpering?
mustn't you be whimpering?
mustn't they be whimpering? 	mustn't I have whimpered?
mustn't you have whimpered?
mustn't he have whimpered?
mustn't we have whimpered?
mustn't you have whimpered?
mustn't they have whimpered? 	mustn't I have been whimpering?
mustn't you have been whimpering?
mustn't he have been whimpering?
mustn't we have been whimpering?
mustn't you have been whimpering?
mustn't they have been whimpering?