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