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