must kvetch
Verbe régulier : kvetch - kvetched- kvetched

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must kvetch
you must kvetch
he must kvetch
we must kvetch
you must kvetch
they must kvetch 	I must be kvetching
you must be kvetching
he must be kvetching
we must be kvetching
you must be kvetching
they must be kvetching	I must have kvetched
you must have kvetched
he must have kvetched
we must have kvetched
you must have kvetched
they must have kvetched	I must have been kvetching
you must have been kvetching
he must have been kvetching
we must have been kvetching
you must have been kvetching
they must have been kvetching	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't kvetch
you mustn't kvetch
he mustn't kvetch
we mustn't kvetch
you mustn't kvetch
they mustn't kvetch 	I mustn't be kvetching
you mustn't be kvetching
he mustn't be kvetching
we mustn't be kvetching
you mustn't be kvetching
they mustn't be kvetching	I mustn't have kvetched
you mustn't have kvetched
he mustn't have kvetched
we mustn't have kvetched
you mustn't have kvetched
they mustn't have kvetched	I mustn't have been kvetching
you mustn't have been kvetching
he mustn't have been kvetching
we mustn't have been kvetching
you mustn't have been kvetching
they mustn't have been kvetching	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I kvetch?
must you kvetch?
must he kvetch?
must we kvetch?
must you kvetch?
must they kvetch? 	must I be kvetching?
must you be kvetching?
must he be kvetching?
must we be kvetching?
must you be kvetching?
must they be kvetching? 	must I have kvetched?
must you have kvetched?
must he have kvetched?
must we have kvetched?
must you have kvetched?
must they have kvetched? 	must I have been kvetching?
must you have been kvetching?
must he have been kvetching?
must we have been kvetching?
must you have been kvetching?
must they have been kvetching? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I kvetch?
mustn't you kvetch?
mustn't he kvetch?
mustn't we kvetch?
mustn't you kvetch?
mustn't they kvetch? 	mustn't I be kvetching?
mustn't you be kvetching?
mustn't he be kvetching?
mustn't we be kvetching?
mustn't you be kvetching?
mustn't they be kvetching? 	mustn't I have kvetched?
mustn't you have kvetched?
mustn't he have kvetched?
mustn't we have kvetched?
mustn't you have kvetched?
mustn't they have kvetched? 	mustn't I have been kvetching?
mustn't you have been kvetching?
mustn't he have been kvetching?
mustn't we have been kvetching?
mustn't you have been kvetching?
mustn't they have been kvetching?