Cuidado, este verbo pode não existir, a conjugação é dada como exemplo.
Afirmação
Forma simple
I must sniffer you must sniffer he must sniffer we must sniffer you must sniffer they must sniffer
Forma com V-ing
I must be sniffering you must be sniffering he must be sniffering we must be sniffering you must be sniffering they must be sniffering
Perfeito
I must have sniffered you must have sniffered he must have sniffered we must have sniffered you must have sniffered they must have sniffered
Perfeito com V-ing
I must have been sniffering you must have been sniffering he must have been sniffering we must have been sniffering you must have been sniffering they must have been sniffering
Negação
Forma simple
I must not sniffer you must not sniffer he must not sniffer we must not sniffer you must not sniffer they must not sniffer
Forma com V-ing
I must not be sniffering you must not be sniffering he must not be sniffering we must not be sniffering you must not be sniffering they must not be sniffering
Perfeito
I must not have sniffered you must not have sniffered he must not have sniffered we must not have sniffered you must not have sniffered they must not have sniffered
Perfeito com V-ing
I must not have been sniffering you must not have been sniffering he must not have been sniffering we must not have been sniffering you must not have been sniffering they must not have been sniffering
Forma interrogativa
Forma simple
must I sniffer? must you sniffer? must he sniffer? must we sniffer? must you sniffer? must they sniffer?
Forma com V-ing
must I be sniffering? must you be sniffering? must he be sniffering? must we be sniffering? must you be sniffering? must they be sniffering?
Perfeito
must I have sniffered? must you have sniffered? must he have sniffered? must we have sniffered? must you have sniffered? must they have sniffered?
Perfeito com V-ing
must I have been sniffering? must you have been sniffering? must he have been sniffering? must we have been sniffering? must you have been sniffering? must they have been sniffering?
Forma interro-Negação
Forma simple
must I not sniffer? must you not sniffer? must he not sniffer? must we not sniffer? must you not sniffer? must they not sniffer?
Forma com V-ing
must I not be sniffering? must you not be sniffering? must he not be sniffering? must we not be sniffering? must you not be sniffering? must they not be sniffering?
Perfeito
must I not have sniffered? must you not have sniffered? must he not have sniffered? must we not have sniffered? must you not have sniffered? must they not have sniffered?
Perfeito com V-ing
must I not have been sniffering? must you not have been sniffering? must he not have been sniffering? must we not have been sniffering? must you not have been sniffering? must they not have been sniffering?