must sniff
Verbe régulier : sniff - sniffed- sniffed
Traduction française : renifler 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must sniff
you must sniff
she must sniff
we must sniff
you must sniff
they must sniff 	I must be sniffing
you must be sniffing
she must be sniffing
we must be sniffing
you must be sniffing
they must be sniffing	I must have sniffed
you must have sniffed
she must have sniffed
we must have sniffed
you must have sniffed
they must have sniffed	I must have been sniffing
you must have been sniffing
she must have been sniffing
we must have been sniffing
you must have been sniffing
they must have been sniffing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't sniff
you mustn't sniff
she mustn't sniff
we mustn't sniff
you mustn't sniff
they mustn't sniff 	I mustn't be sniffing
you mustn't be sniffing
she mustn't be sniffing
we mustn't be sniffing
you mustn't be sniffing
they mustn't be sniffing	I mustn't have sniffed
you mustn't have sniffed
she mustn't have sniffed
we mustn't have sniffed
you mustn't have sniffed
they mustn't have sniffed	I mustn't have been sniffing
you mustn't have been sniffing
she mustn't have been sniffing
we mustn't have been sniffing
you mustn't have been sniffing
they mustn't have been sniffing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I sniff?
must you sniff?
must she sniff?
must we sniff?
must you sniff?
must they sniff? 	must I be sniffing?
must you be sniffing?
must she be sniffing?
must we be sniffing?
must you be sniffing?
must they be sniffing? 	must I have sniffed?
must you have sniffed?
must she have sniffed?
must we have sniffed?
must you have sniffed?
must they have sniffed? 	must I have been sniffing?
must you have been sniffing?
must she have been sniffing?
must we have been sniffing?
must you have been sniffing?
must they have been sniffing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I sniff?
mustn't you sniff?
mustn't she sniff?
mustn't we sniff?
mustn't you sniff?
mustn't they sniff? 	mustn't I be sniffing?
mustn't you be sniffing?
mustn't she be sniffing?
mustn't we be sniffing?
mustn't you be sniffing?
mustn't they be sniffing? 	mustn't I have sniffed?
mustn't you have sniffed?
mustn't she have sniffed?
mustn't we have sniffed?
mustn't you have sniffed?
mustn't they have sniffed? 	mustn't I have been sniffing?
mustn't you have been sniffing?
mustn't she have been sniffing?
mustn't we have been sniffing?
mustn't you have been sniffing?
mustn't they have been sniffing?