I sniff you sniff he sniffs we sniff you sniff they sniff
Present continuous
I am sniffing you are sniffing he is sniffing we are sniffing you are sniffing they are sniffing
Preterite
I sniffed you sniffed he sniffed we sniffed you sniffed they sniffed
Preterite continuous
I was sniffing you were sniffing he was sniffing we were sniffing you were sniffing they were sniffing
Present perfect
I have sniffed you have sniffed he has sniffed we have sniffed you have sniffed they have sniffed
Present perfect continuous
I have been sniffing you have been sniffing he has been sniffing we have been sniffing you have been sniffing they have been sniffing
Pluperfect
I had sniffed you had sniffed he had sniffed we had sniffed you had sniffed they had sniffed
Pluperfect continuous
I had been sniffing you had been sniffing he had been sniffing we had been sniffing you had been sniffing they had been sniffing
Future
I will sniff you will sniff he will sniff we will sniff you will sniff they will sniff
Future continuous
I will be sniffing you will be sniffing he will be sniffing we will be sniffing you will be sniffing they will be sniffing
Future perfect
I will have sniffed you will have sniffed he will have sniffed we will have sniffed you will have sniffed they will have sniffed
Future perfect continuous
I will have been sniffing you will have been sniffing he will have been sniffing we will have been sniffing you will have been sniffing they will have been sniffing
Conditional
Present
I would sniff you would sniff he would sniff we would sniff you would sniff they would sniff
Present continuous
I would be sniffing you would be sniffing he would be sniffing we would be sniffing you would be sniffing they would be sniffing
Past
I would have sniffed you would have sniffed he would have sniffed we would have sniffed you would have sniffed they would have sniffed
Past continuous
I would have been sniffing you would have been sniffing he would have been sniffing we would have been sniffing you would have been sniffing they would have been sniffing