Module 2 B8 Grammar非谓语复习.ppt

动词-ing 形式作状语时，其逻辑主语必须与句子的主语一致，且必须与句子的主语是逻辑上的主谓关系，动词-ing 形式表示的动作是次要动作。（一个主语多个动作。） 1. While reading the book, the telephone rang. 2. Looking out through the window, the garden was beautiful. 用法1： 表示时间，多置于句首，也可置于句末 e.g. Walking in the street, I met a friend of mine. 用法2： 表示原因，多置于句首或句末，也可置于句中 e.g. 1) Being ill, he didn’t go to school. 2) She rang him up, hoping to get his support. 3) The boy, being very polite, was loved by many teachers. 用法3： 表示条件，多置于句首 e.g. Working hard, you will succeed. 用法4： 表示让步，多置于句首 e.g. Being poor, the old man was happy. = Though the old man was poor, he was happy. 用法5： 表示结果，常置于句末 e.g. The boy fell off his bike, breaking his right arm. 用法6： 表示方式或伴随,多置于句末，也可置于句首 e.g. 1) He sat at the table, reading a magazine. 2) Laughing and talking, they went into the room. 用法7： 为强调与谓语动词的动作同时发生,在-ing形式短语前可用连词when, while等;为强调在谓语动词的动作之前或之后发生,在-ing形式短语前可用连词before或after e.g. 1) Be careful when crossing the road. 2) Don’t laugh while eating. 3) Before going abroad, he lived here. 4) After watching TV, he went to bed. 用法8： 在-ing形式短语前可用介词on,表示“一…就…” e.g. On arriving in Beijing, he went to see his uncle.(= As soon as he arrived in Beijing, he went to see his uncle.) 用法9： 为了强调结果，可在-ing形式前加副词thus e.g. The bus was held up by the snowstorm, thus causing the delay. (= The bus was held up by the snowstorm, and as a result it caused the delay.) 用法10： 在-ing形式短语前可用though/although表示让步 e.g. Though working very hard, he couldn’t make enough money to pay off his debt. = Though he worked very hard, he couldn’t make enough money to pay off his debt. 注意： Finding her car stolen, ________. A. a policeman was asked to help B. the area was searched thoroughly C. it was looked for everywhere D. she hurried to a policeman for help D: When she found her car stolen, she hurried to a policeman for help. D 1. ________(hear) the sad news, they couldn’t help crying. 2. ___