Present, Future てならない is [x] てならなくない is not [x] Past てならなかった was [x] てならなくなかった was not [x] Te-form, Continuative てならなくて is [x] and... てならなくなくて is not [x] and... Provisional てならなければ if it is [x] てならなくなければ if it is not [x] Conditional てならなかったら when/if it is [x] てならなくなかったら when/if it is not [x] Adverbial てならなく [x]-ly Noun form てならなさ [x]-ness