I do not fasten you do not fasten she does not fasten we do not fasten you do not fasten they do not fasten
Present continuous
I am not fastening you are not fastening she is not fastening we are not fastening you are not fastening they are not fastening
Preterite
I did not fasten you did not fasten she did not fasten we did not fasten you did not fasten they did not fasten
Preterite continuous
I was not fastening you were not fastening she was not fastening we were not fastening you were not fastening they were not fastening
Present perfect
I have not fastened you have not fastened she has not fastened we have not fastened you have not fastened they have not fastened
Present perfect continuous
I have not been fastening you have not been fastening she has not been fastening we have not been fastening you have not been fastening they have not been fastening
Pluperfect
I had not fastened you had not fastened she had not fastened we had not fastened you had not fastened they had not fastened
Pluperfect continuous
I had not been fastening you had not been fastening she had not been fastening we had not been fastening you had not been fastening they had not been fastening
Future
I will not fasten you will not fasten she will not fasten we will not fasten you will not fasten they will not fasten
Future continuous
I will not be fastening you will not be fastening she will not be fastening we will not be fastening you will not be fastening they will not be fastening
Future perfect
I will not have fastened you will not have fastened she will not have fastened we will not have fastened you will not have fastened they will not have fastened
Future perfect continuous
I will not have been fastening you will not have been fastening she will not have been fastening we will not have been fastening you will not have been fastening they will not have been fastening
Conditional
Present
I would not fasten you would not fasten she would not fasten we would not fasten you would not fasten they would not fasten
Present continuous
I would not be fastening you would not be fastening she would not be fastening we would not be fastening you would not be fastening they would not be fastening
Past
I would not have fastened you would not have fastened she would not have fastened we would not have fastened you would not have fastened they would not have fastened
Past continuous
I would not have been fastening you would not have been fastening she would not have been fastening we would not have been fastening you would not have been fastening they would not have been fastening