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