Module 3 MusicGrammar1.Master the use of adverbial clause of time and the past perfect tense.2.Learn some important language points.Teaching aimsLearn some detailed knowledge about grammar.Leading-in一、时间状语从句一、时间状语从句时间状语从句常由时间状语从句常由after，when，whenever，once，since，as soon as，by the time，before，till，until，while，as等引导。等引导。when引导的从句的谓语动词可以是延续性的动词，引导的从句的谓语动词可以是延续性的动词，又可以是瞬时动词。又可以是瞬时动词。她进来时，我停止吃饭。她进来时，我停止吃饭。I stopped eating when he came in.(瞬时动词瞬时动词)当我住在农村时，我常常为他挑水。当我住在农村时，我常常为他挑水。When I lived in the co
