I do not crumble you do not crumble she does not crumble we do not crumble you do not crumble they do not crumble
Present continuous
I am not crumbling you are not crumbling she is not crumbling we are not crumbling you are not crumbling they are not crumbling
Preterite
I did not crumble you did not crumble she did not crumble we did not crumble you did not crumble they did not crumble
Preterite continuous
I was not crumbling you were not crumbling she was not crumbling we were not crumbling you were not crumbling they were not crumbling
Present perfect
I have not crumbled you have not crumbled she has not crumbled we have not crumbled you have not crumbled they have not crumbled
Present perfect continuous
I have not been crumbling you have not been crumbling she has not been crumbling we have not been crumbling you have not been crumbling they have not been crumbling
Pluperfect
I had not crumbled you had not crumbled she had not crumbled we had not crumbled you had not crumbled they had not crumbled
Pluperfect continuous
I had not been crumbling you had not been crumbling she had not been crumbling we had not been crumbling you had not been crumbling they had not been crumbling
Future
I will not crumble you will not crumble she will not crumble we will not crumble you will not crumble they will not crumble
Future continuous
I will not be crumbling you will not be crumbling she will not be crumbling we will not be crumbling you will not be crumbling they will not be crumbling
Future perfect
I will not have crumbled you will not have crumbled she will not have crumbled we will not have crumbled you will not have crumbled they will not have crumbled
Future perfect continuous
I will not have been crumbling you will not have been crumbling she will not have been crumbling we will not have been crumbling you will not have been crumbling they will not have been crumbling
Conditional
Present
I would not crumble you would not crumble she would not crumble we would not crumble you would not crumble they would not crumble
Present continuous
I would not be crumbling you would not be crumbling she would not be crumbling we would not be crumbling you would not be crumbling they would not be crumbling
Past
I would not have crumbled you would not have crumbled she would not have crumbled we would not have crumbled you would not have crumbled they would not have crumbled
Past continuous
I would not have been crumbling you would not have been crumbling she would not have been crumbling we would not have been crumbling you would not have been crumbling they would not have been crumbling