I do not preserve you do not preserve he does not preserve we do not preserve you do not preserve they do not preserve
Present continuous
I am not preserving you are not preserving he is not preserving we are not preserving you are not preserving they are not preserving
Preterite
I did not preserve you did not preserve he did not preserve we did not preserve you did not preserve they did not preserve
Preterite continuous
I was not preserving you were not preserving he was not preserving we were not preserving you were not preserving they were not preserving
Present perfect
I have not preserved you have not preserved he has not preserved we have not preserved you have not preserved they have not preserved
Present perfect continuous
I have not been preserving you have not been preserving he has not been preserving we have not been preserving you have not been preserving they have not been preserving
Pluperfect
I had not preserved you had not preserved he had not preserved we had not preserved you had not preserved they had not preserved
Pluperfect continuous
I had not been preserving you had not been preserving he had not been preserving we had not been preserving you had not been preserving they had not been preserving
Future
I will not preserve you will not preserve he will not preserve we will not preserve you will not preserve they will not preserve
Future continuous
I will not be preserving you will not be preserving he will not be preserving we will not be preserving you will not be preserving they will not be preserving
Future perfect
I will not have preserved you will not have preserved he will not have preserved we will not have preserved you will not have preserved they will not have preserved
Future perfect continuous
I will not have been preserving you will not have been preserving he will not have been preserving we will not have been preserving you will not have been preserving they will not have been preserving
Conditional
Present
I would not preserve you would not preserve he would not preserve we would not preserve you would not preserve they would not preserve
Present continuous
I would not be preserving you would not be preserving he would not be preserving we would not be preserving you would not be preserving they would not be preserving
Past
I would not have preserved you would not have preserved he would not have preserved we would not have preserved you would not have preserved they would not have preserved
Past continuous
I would not have been preserving you would not have been preserving he would not have been preserving we would not have been preserving you would not have been preserving they would not have been preserving
Imperative
Imperative
do not preserve Let's not preserve do not preserve