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