Cuidado, este verbo pode não existir, a conjugação é dada como exemplo.
Indicativo
Presente
don't I sniffer? don't you sniffer? doesn't he sniffer? don't we sniffer? don't you sniffer? don't they sniffer?
Presente contínuo
am I not sniffering? aren't you sniffering? isn't he sniffering? aren't we sniffering? aren't you sniffering? aren't they sniffering?
Pretérito
didn't I sniffer? didn't you sniffer? didn't he sniffer? didn't we sniffer? didn't you sniffer? didn't they sniffer?
Preterito contínuo
wasn't I sniffering? weren't you sniffering? wasn't he sniffering? weren't we sniffering? weren't you sniffering? weren't they sniffering?
Presente perfeito
haven't I sniffered? haven't you sniffered? hasn't he sniffered? haven't we sniffered? haven't you sniffered? haven't they sniffered?
Presente perfeito contínuo
haven't I been sniffering? haven't you been sniffering? hasn't he been sniffering? haven't we been sniffering? haven't you been sniffering? haven't they been sniffering?
Mais perfeito
hadn't I sniffered? hadn't you sniffered? hadn't he sniffered? hadn't we sniffered? hadn't you sniffered? hadn't they sniffered?
Contínuo mais perfeito
hadn't I been sniffering? hadn't you been sniffering? hadn't he been sniffering? hadn't we been sniffering? hadn't you been sniffering? hadn't they been sniffering?
Futuro
won't I sniffer? won't you sniffer? won't he sniffer? won't we sniffer? won't you sniffer? won't they sniffer?
Futuro contínuo
won't I be sniffering? won't you be sniffering? won't he be sniffering? won't we be sniffering? won't you be sniffering? won't they be sniffering?
futuro perfeito
won't I have sniffered? won't you have sniffered? won't he have sniffered? won't we have sniffered? won't you have sniffered? won't they have sniffered?
futuro perfeito contínuo
won't I have been sniffering? won't you have been sniffering? won't he have been sniffering? won't we have been sniffering? won't you have been sniffering? won't they have been sniffering?
Condicional
Presente
wouldn't I sniffer? wouldn't you sniffer? wouldn't he sniffer? wouldn't we sniffer? wouldn't you sniffer? wouldn't they sniffer?
Presente contínuo
wouldn't I be sniffering? wouldn't you be sniffering? wouldn't he be sniffering? wouldn't we be sniffering? wouldn't you be sniffering? wouldn't they be sniffering?
Passado
wouldn't I have sniffered? wouldn't you have sniffered? wouldn't he have sniffered? wouldn't we have sniffered? wouldn't you have sniffered? wouldn't they have sniffered?
Passado contínuo
wouldn't I have been sniffering? wouldn't you have been sniffering? wouldn't he have been sniffering? wouldn't we have been sniffering? wouldn't you have been sniffering? wouldn't they have been sniffering?