must snigger
Verbe régulier : snigger - sniggered- sniggered
Traduction française : ricaner - rire dans sa barbe 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must snigger
you must snigger
she must snigger
we must snigger
you must snigger
they must snigger 	I must be sniggering
you must be sniggering
she must be sniggering
we must be sniggering
you must be sniggering
they must be sniggering	I must have sniggered
you must have sniggered
she must have sniggered
we must have sniggered
you must have sniggered
they must have sniggered	I must have been sniggering
you must have been sniggering
she must have been sniggering
we must have been sniggering
you must have been sniggering
they must have been sniggering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't snigger
you mustn't snigger
she mustn't snigger
we mustn't snigger
you mustn't snigger
they mustn't snigger 	I mustn't be sniggering
you mustn't be sniggering
she mustn't be sniggering
we mustn't be sniggering
you mustn't be sniggering
they mustn't be sniggering	I mustn't have sniggered
you mustn't have sniggered
she mustn't have sniggered
we mustn't have sniggered
you mustn't have sniggered
they mustn't have sniggered	I mustn't have been sniggering
you mustn't have been sniggering
she mustn't have been sniggering
we mustn't have been sniggering
you mustn't have been sniggering
they mustn't have been sniggering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I snigger?
must you snigger?
must she snigger?
must we snigger?
must you snigger?
must they snigger? 	must I be sniggering?
must you be sniggering?
must she be sniggering?
must we be sniggering?
must you be sniggering?
must they be sniggering? 	must I have sniggered?
must you have sniggered?
must she have sniggered?
must we have sniggered?
must you have sniggered?
must they have sniggered? 	must I have been sniggering?
must you have been sniggering?
must she have been sniggering?
must we have been sniggering?
must you have been sniggering?
must they have been sniggering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I snigger?
mustn't you snigger?
mustn't she snigger?
mustn't we snigger?
mustn't you snigger?
mustn't they snigger? 	mustn't I be sniggering?
mustn't you be sniggering?
mustn't she be sniggering?
mustn't we be sniggering?
mustn't you be sniggering?
mustn't they be sniggering? 	mustn't I have sniggered?
mustn't you have sniggered?
mustn't she have sniggered?
mustn't we have sniggered?
mustn't you have sniggered?
mustn't they have sniggered? 	mustn't I have been sniggering?
mustn't you have been sniggering?
mustn't she have been sniggering?
mustn't we have been sniggering?
mustn't you have been sniggering?
mustn't they have been sniggering?