must whimper
Regular verb: whimper - whimpered- whimpered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must whimper
you must whimper
she must whimper
we must whimper
you must whimper
they must whimper 	I must be whimpering
you must be whimpering
she must be whimpering
we must be whimpering
you must be whimpering
they must be whimpering	I must have whimpered
you must have whimpered
she 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
she 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
she 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
she 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
she 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
she 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 she whimper?
must we whimper?
must you whimper?
must they whimper? 	must I be whimpering?
must you be whimpering?
must she be whimpering?
must we be whimpering?
must you be whimpering?
must they be whimpering? 	must I have whimpered?
must you have whimpered?
must she 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 she 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 she 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 she 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 she 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 she have been whimpering?
mustn't we have been whimpering?
mustn't you have been whimpering?
mustn't they have been whimpering?