I fasten you fasten he fastens we fasten you fasten they fasten
Present continuous
I am fastening you are fastening he is fastening we are fastening you are fastening they are fastening
Preterite
I fastened you fastened he fastened we fastened you fastened they fastened
Preterite continuous
I was fastening you were fastening he was fastening we were fastening you were fastening they were fastening
Present perfect
I have fastened you have fastened he has fastened we have fastened you have fastened they have fastened
Present perfect continuous
I have been fastening you have been fastening he has been fastening we have been fastening you have been fastening they have been fastening
Pluperfect
I had fastened you had fastened he had fastened we had fastened you had fastened they had fastened
Pluperfect continuous
I had been fastening you had been fastening he had been fastening we had been fastening you had been fastening they had been fastening
Future
I will fasten you will fasten he will fasten we will fasten you will fasten they will fasten
Future continuous
I will be fastening you will be fastening he will be fastening we will be fastening you will be fastening they will be fastening
Future perfect
I will have fastened you will have fastened he will have fastened we will have fastened you will have fastened they will have fastened
Future perfect continuous
I will have been fastening you will have been fastening he will have been fastening we will have been fastening you will have been fastening they will have been fastening
Conditional
Present
I would fasten you would fasten he would fasten we would fasten you would fasten they would fasten
Present continuous
I would be fastening you would be fastening he would be fastening we would be fastening you would be fastening they would be fastening
Past
I would have fastened you would have fastened he would have fastened we would have fastened you would have fastened they would have fastened
Past continuous
I would have been fastening you would have been fastening he would have been fastening we would have been fastening you would have been fastening they would have been fastening