Present, Future 詳しい is [x] 詳しくない is not [x] Past 詳しかった was [x] 詳しくなかった was not [x] Te-form, Continuative 詳しくて is [x] and... 詳しくなくて is not [x] and... Provisional 詳しければ if it is [x] 詳しくなければ if it is not [x] Conditional 詳しかったら when/if it is [x] 詳しくなかったら when/if it is not [x] Adverbial 詳しく [x]-ly Noun form 詳しさ [x]-ness