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