Warning, this verb may not exist. Conjugation is given as example.
Indicative
Present
I do not breath you do not breath he does not breath we do not breath you do not breath they do not breath
Present continuous
I am not breathing you are not breathing he is not breathing we are not breathing you are not breathing they are not breathing
Preterite
I did not breath you did not breath he did not breath we did not breath you did not breath they did not breath
Preterite continuous
I was not breathing you were not breathing he was not breathing we were not breathing you were not breathing they were not breathing
Present perfect
I have not breathed you have not breathed he has not breathed we have not breathed you have not breathed they have not breathed
Present perfect continuous
I have not been breathing you have not been breathing he has not been breathing we have not been breathing you have not been breathing they have not been breathing
Pluperfect
I had not breathed you had not breathed he had not breathed we had not breathed you had not breathed they had not breathed
Pluperfect continuous
I had not been breathing you had not been breathing he had not been breathing we had not been breathing you had not been breathing they had not been breathing
Future
I will not breath you will not breath he will not breath we will not breath you will not breath they will not breath
Future continuous
I will not be breathing you will not be breathing he will not be breathing we will not be breathing you will not be breathing they will not be breathing
Future perfect
I will not have breathed you will not have breathed he will not have breathed we will not have breathed you will not have breathed they will not have breathed
Future perfect continuous
I will not have been breathing you will not have been breathing he will not have been breathing we will not have been breathing you will not have been breathing they will not have been breathing
Conditional
Present
I would not breath you would not breath he would not breath we would not breath you would not breath they would not breath
Present continuous
I would not be breathing you would not be breathing he would not be breathing we would not be breathing you would not be breathing they would not be breathing
Past
I would not have breathed you would not have breathed he would not have breathed we would not have breathed you would not have breathed they would not have breathed
Past continuous
I would not have been breathing you would not have been breathing he would not have been breathing we would not have been breathing you would not have been breathing they would not have been breathing