《外研社必修五 module 5 Grammar》.ppt

外研版 高二年级 (必修5) Module 5 ;Adverbial Clause;1) when/while/as 的用法 when表示从句和主句动作同时发生,或先于主句动作;while表示从句的动作与主句动作同时发生,并且有延续的含义; as从句与主句动作相并发生,常译为“边……边……” ;When I was walking down the street, I saw some policemen. 当我沿着街道走的时候看到一些警察。 While the child was playing with his toys, his parents were watching TV. 这个孩子玩玩具的时候他的父母在看电视。;They shouted slogans as they passed the square. 他们一边穿过广场一边呼喊口号。;2) 含有关联词组hardly…when和no sooner…than的两种句子结构表示“一……就……”。当hardly 或no sooner为于句首时，要到装。 Hardly had he arrived when it began to snow. 他刚到天就开始下雪了。;Hardly had we walked into the hall when the lecture started. 我们刚走进大厅讲座就开始了。 No sooner had the boy reached the door than he came back. 这个孩子刚一走到门边就回来了。;3) 一些表示时间的名词词组, 如the moment, each time, every time, the first time, the year 等, 也用于引导时间状语从句, 这是它们担当着连接词的功能。 Each time he came, he would bring us a lot of flowers. 他每次来都给我们带很多花。;The first time he went to Shanghai, he paid a visit to his former teacher. 他第一次去上海时去拜访了他的老师。 The moment I saw him, I thought of his father. 我一看到他就想起了他的父亲。;2. 条件状语从句注意点 1) if 和unless是最长用的条件从句连接词, unless在意义上等于‘if…not’,并且语气较强。if 可用于虚拟条件句, unless 则一般不用于虚拟条件句。 ;You will improve your oral English if you keep on practising. 如果你坚持练习, 你的英语口语将会提高。 He will never make progress unless he works hard. 如果不努力他将不会取得进步。;If I were you, I would give up smoking at once. 如果我是你我会立刻戒烟。;2) in case后接一般现在时,一???过去时或should,它所引导的从句为主句的动作提供理由。 Please take your raincoat along with you in case it rains. 请带把雨伞以防下雨。 Don’t go out tomorrow in case Mr. Li should come to visit you. 明天不要出去以防李先生来访。;3. 让步状语从句注意点;However difficult (=No matter how difficult