I lengthen you lengthen he lengthens we lengthen you lengthen they lengthen
Present continuous
I am lengthening you are lengthening he is lengthening we are lengthening you are lengthening they are lengthening
Preterite
I lengthened you lengthened he lengthened we lengthened you lengthened they lengthened
Preterite continuous
I was lengthening you were lengthening he was lengthening we were lengthening you were lengthening they were lengthening
Present perfect
I have lengthened you have lengthened he has lengthened we have lengthened you have lengthened they have lengthened
Present perfect continuous
I have been lengthening you have been lengthening he has been lengthening we have been lengthening you have been lengthening they have been lengthening
Pluperfect
I had lengthened you had lengthened he had lengthened we had lengthened you had lengthened they had lengthened
Pluperfect continuous
I had been lengthening you had been lengthening he had been lengthening we had been lengthening you had been lengthening they had been lengthening
Future
I will lengthen you will lengthen he will lengthen we will lengthen you will lengthen they will lengthen
Future continuous
I will be lengthening you will be lengthening he will be lengthening we will be lengthening you will be lengthening they will be lengthening
Future perfect
I will have lengthened you will have lengthened he will have lengthened we will have lengthened you will have lengthened they will have lengthened
Future perfect continuous
I will have been lengthening you will have been lengthening he will have been lengthening we will have been lengthening you will have been lengthening they will have been lengthening
Conditional
Present
I would lengthen you would lengthen he would lengthen we would lengthen you would lengthen they would lengthen
Present continuous
I would be lengthening you would be lengthening he would be lengthening we would be lengthening you would be lengthening they would be lengthening
Past
I would have lengthened you would have lengthened he would have lengthened we would have lengthened you would have lengthened they would have lengthened
Past continuous
I would have been lengthening you would have been lengthening he would have been lengthening we would have been lengthening you would have been lengthening they would have been lengthening