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