（完整版）doing作状语.pptVIP

二、分词作状语时，可以根据需要在其前加上when, while, before, after, until, once, though, although, unless, as if, even if, as long as等 1. Once losing this chance, you can’t easily find it. 2. If allowed to read in the reading room, you should keep quiet. 3. When leaving the station, he waved again and again to me. Losing Allowed Leaving 必威体育精装版.课件 * 三、 当表示分词的动作一发生，主句的动作 随之也发生时，可以使用“on＋动名词”的结构，翻译成“一……就……”。 Hearing the news, they couldn’t help jumping. = On hearing the news, they couldn’t help jumping. ___ ________ the case, I saw the bird fly out of it. 一打开这个盒子，我看到有只鸟飞出来。 On opening 必威体育精装版.课件 * 句型转换： When he heard the news, he jumped with joy. _________ the news, he jumped with joy. 2. As she was ill, she went home. ________ ill, she went home. 3. The girl came in and she smiled. The girl came in ___________. She sat at the desk and read a newspaper. She sat at the desk _________ a newspaper. Hearing Being smiling reading 表伴随状况 时间状语 原因状语 方式状语 必威体育精装版.课件 * Grammar work 语法专练 用所给动词的适当形式填空。 1. Not ________(know) his address, I couldn’t go to see him yesterday. 2. Look out(小心） for cars when ___________(cross) the street. 3. Not _________________ (invite) to the party, Mary was greatly hurt. knowing crossing having been invited 必威体育精装版.课件 * 4. He dived into the water, _______ (leave) only his face exposed(暴露）. 5. When I got back home I saw a message pinned(别在） to the door, ________ (read写着) “Sorry to miss you; I will call later.” 6. _______ (take) a deep breath, they dived into the water. 7. _______________ (close) the windows and the door, the students left the room. leaving reading Taking Having closed 必威体育精装版.课件 * Grammar quiz 1. When _____ different cultures, we often pay attention only to the differences without noticing many similarities. A. compared B. being compared C. comparing D. having compared 必威体育精装版.课件 * 2. Whenever he was asked why he was late for class, he would answer carelessly, always ______ the same thing. A. sayi