I do not sniff you do not sniff he does not sniff we do not sniff you do not sniff they do not sniff
Present continuous
I am not sniffing you are not sniffing he is not sniffing we are not sniffing you are not sniffing they are not sniffing
Preterite
I did not sniff you did not sniff he did not sniff we did not sniff you did not sniff they did not sniff
Preterite continuous
I was not sniffing you were not sniffing he was not sniffing we were not sniffing you were not sniffing they were not sniffing
Present perfect
I have not sniffed you have not sniffed he has not sniffed we have not sniffed you have not sniffed they have not sniffed
Present perfect continuous
I have not been sniffing you have not been sniffing he has not been sniffing we have not been sniffing you have not been sniffing they have not been sniffing
Pluperfect
I had not sniffed you had not sniffed he had not sniffed we had not sniffed you had not sniffed they had not sniffed
Pluperfect continuous
I had not been sniffing you had not been sniffing he had not been sniffing we had not been sniffing you had not been sniffing they had not been sniffing
Future
I will not sniff you will not sniff he will not sniff we will not sniff you will not sniff they will not sniff
Future continuous
I will not be sniffing you will not be sniffing he will not be sniffing we will not be sniffing you will not be sniffing they will not be sniffing
Future perfect
I will not have sniffed you will not have sniffed he will not have sniffed we will not have sniffed you will not have sniffed they will not have sniffed
Future perfect continuous
I will not have been sniffing you will not have been sniffing he will not have been sniffing we will not have been sniffing you will not have been sniffing they will not have been sniffing
Conditional
Present
I would not sniff you would not sniff he would not sniff we would not sniff you would not sniff they would not sniff
Present continuous
I would not be sniffing you would not be sniffing he would not be sniffing we would not be sniffing you would not be sniffing they would not be sniffing
Past
I would not have sniffed you would not have sniffed he would not have sniffed we would not have sniffed you would not have sniffed they would not have sniffed
Past continuous
I would not have been sniffing you would not have been sniffing he would not have been sniffing we would not have been sniffing you would not have been sniffing they would not have been sniffing