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