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