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