I tighten you tighten he tightens we tighten you tighten they tighten
Present continuous
I am tightening you are tightening he is tightening we are tightening you are tightening they are tightening
Preterite
I tightened you tightened he tightened we tightened you tightened they tightened
Preterite continuous
I was tightening you were tightening he was tightening we were tightening you were tightening they were tightening
Present perfect
I have tightened you have tightened he has tightened we have tightened you have tightened they have tightened
Present perfect continuous
I have been tightening you have been tightening he has been tightening we have been tightening you have been tightening they have been tightening
Pluperfect
I had tightened you had tightened he had tightened we had tightened you had tightened they had tightened
Pluperfect continuous
I had been tightening you had been tightening he had been tightening we had been tightening you had been tightening they had been tightening
Future
I will tighten you will tighten he will tighten we will tighten you will tighten they will tighten
Future continuous
I will be tightening you will be tightening he will be tightening we will be tightening you will be tightening they will be tightening
Future perfect
I will have tightened you will have tightened he will have tightened we will have tightened you will have tightened they will have tightened
Future perfect continuous
I will have been tightening you will have been tightening he will have been tightening we will have been tightening you will have been tightening they will have been tightening
Conditional
Present
I would tighten you would tighten he would tighten we would tighten you would tighten they would tighten
Present continuous
I would be tightening you would be tightening he would be tightening we would be tightening you would be tightening they would be tightening
Past
I would have tightened you would have tightened he would have tightened we would have tightened you would have tightened they would have tightened
Past continuous
I would have been tightening you would have been tightening he would have been tightening we would have been tightening you would have been tightening they would have been tightening