I don't lengthen you don't lengthen he doesn't lengthen we don't lengthen you don't lengthen they don't lengthen
Present continuous
I'm not lengthening you aren't lengthening he isn't lengthening we aren't lengthening you aren't lengthening they aren't lengthening
Preterite
I didn't lengthen you didn't lengthen he didn't lengthen we didn't lengthen you didn't lengthen they didn't lengthen
Preterite continuous
I wasn't lengthening you weren't lengthening he wasn't lengthening we weren't lengthening you weren't lengthening they weren't lengthening
Present perfect
I haven't lengthened you haven't lengthened he hasn't lengthened we haven't lengthened you haven't lengthened they haven't lengthened
Present perfect continuous
I haven't been lengthening you haven't been lengthening he hasn't been lengthening we haven't been lengthening you haven't been lengthening they haven't been lengthening
Pluperfect
I hadn't lengthened you hadn't lengthened he hadn't lengthened we hadn't lengthened you hadn't lengthened they hadn't lengthened
Pluperfect continuous
I hadn't been lengthening you hadn't been lengthening he hadn't been lengthening we hadn't been lengthening you hadn't been lengthening they hadn't been lengthening
Future
I won't lengthen you won't lengthen he won't lengthen we won't lengthen you won't lengthen they won't lengthen
Future continuous
I won't be lengthening you won't be lengthening he won't be lengthening we won't be lengthening you won't be lengthening they won't be lengthening
Future perfect
I won't have lengthened you won't have lengthened he won't have lengthened we won't have lengthened you won't have lengthened they won't have lengthened
Future perfect continuous
I won't have been lengthening you won't have been lengthening he won't have been lengthening we won't have been lengthening you won't have been lengthening they won't have been lengthening
Conditional
Present
I wouldn't lengthen you wouldn't lengthen he wouldn't lengthen we wouldn't lengthen you wouldn't lengthen they wouldn't lengthen
Present continuous
I wouldn't be lengthening you wouldn't be lengthening he wouldn't be lengthening we wouldn't be lengthening you wouldn't be lengthening they wouldn't be lengthening
Past
I wouldn't have lengthened you wouldn't have lengthened he wouldn't have lengthened we wouldn't have lengthened you wouldn't have lengthened they wouldn't have lengthened
Past continuous
I wouldn't have been lengthening you wouldn't have been lengthening he wouldn't have been lengthening we wouldn't have been lengthening you wouldn't have been lengthening they wouldn't have been lengthening
Imperative
Imperative
do not lengthen Let's not lengthen do not lengthen