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