用來問較廣義的時間或同時涵蓋不同時間的說法。be 動詞相關：When ＋ be 動詞 ＋ S...?如：When is the party?（派對是何時？）助動詞相關：When ＋ 助動詞 ＋ S ＋ 原形動詞...?如：When will you tell her the truth? （你何時要告訴她實情？） when(adv) 音標 : [hwɛn] 解釋 : 何時 例句 : When will the party start? 翻譯 : 派對什麼時候要開始？ when(conj) 音標 : [hwɛn] 解釋 : 當⋯時 例句 : When I arrived in New York, it was snowing heavily there. 翻譯 : 我到達紐約時，那裡正下著大雪。
疑問詞when關係副詞分詞片語從屬連接詞if連接詞Whenpin downamountrelaycombchewcome to mindpass byPull a long facecrayonrubpirateclapbow tielend an eardirectionvalleytouchingarrowset fire totake upnervousshrimpstart offpearlThanksgiving Day‘d better (=had better)I can't help it.first aid kitfingergymgestureWalkmanfinish lineflushalmostWinnie-the-Poohcapup and downbullyalarm clockboredinterviewtruckbaby sitterslurphaircutchatelevatorspeechlesssixteenth