过去分词作状语导学案

Title 选修8 Unit4 Grammar过去分词作状语 班别 高二_______ _______组 ______月_______日 1. To learn some important rules of the V-p.p form 2. To finish some Exx using what you have learned 姓名 Learning aims Step1: Revision 读下列句子，标出过去分词在句子中的语法成分，并总结过去分词的用法。 1. I bought some painted chairs. 2. This is a letter written in blue ink. 3. The glass is broken. 4. I spoke loudly to make myself heard. 5. Regularly interrupted by advertisements, TV programs are often made boring. 小结： 过去分词表示__________________ 的动作，具有_____________________的作用，在句中可以用作______________________________________. Step2: Understand the rules and remember them 过去分词做状语 一、与句子主语的关系 过去分词的逻辑主语通常是主句的主语，而且一般是被动关系。 二、所表示的状语种类（学与测P69二）过去分词做状语可以表示伴随情况(即主句的谓语动作与状语同时发生)、时间、地点、原因、条件、让步、方式等意义，相当于一个时间、地点、原因、条件、让步等状语从句。 三、与状语从句的转换（学与测P69）在分词前加 引导词+主语+be 1 )Moved by his speech，many people volunteered to help in the work.(原因) 2) Taken in time，the medicine will be quite effective.(条件) 3) Heated，water changes into steam.(时间) 4) The trainer appeared, followed by six little dogs. (伴随情况) 5) Defeated again, he didn’t lose heart. （让步） 四、.连词(when/while/if/once/unless/although等)+过去分词=状语从句省略了主语+be 1) Anyone, once _______ positive for H7N9 flu virus, will receive free medical treatment from our government. A. to be tested B. being tested C. tested D. to test 2) If _____ to look after luggage for someone else, inform the police at once. A. asked B. to ask C. asking D. having asked

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五、.固定结构 在使用下列这些固定结构时不需要分析它们与主语的关系，就直接使用。常见的有以下几种： 1.Judging from…/ judged by…由….判断、断定 2. provided/providing (that)：conj.连词(=on the condition that)假如，如果，倘若...，在...条件下，后面常加that引导的从句，that可以省略。 3. given（that）…倘若...[假定...] 4.considering that 考虑到… 5. Supposing（ that）：conj.连词 假如；如果；在…的前提下 例句：a) Judged by his accent，he came from Tangshan. 从他口音判断，他来自唐山。 b)Supposing that there is no pure water；what shall we drink?假如没有纯净水 我们喝什么？ c)Considering that she is old, he sent her to a nursing home.考虑到她已经老了，他送她去了疗养院。 六、be加过去分词构成的词组做状语 有些过去分词源自系表结构。作状语时不表示被动，而表示状态,就是去掉了系动词be。这样的过去分词常见的是lost/absorbed in， seated，born, dressed, tired of, faced with, a)The young fellow is dressed in black. He looks cool. = Dressed in black，the young fellow looks cool. Step3: Finish the following Exx. 1）请用所给的动词的正确形式填空。 1. _______ （give ）more attention, the tree could have grown better. 2. ________ (lose) in thought, he almost ran into the car in front of him. 3. _______ (read) carefully, you’ll learn something new. 4. _________(suppose) that he doesn’t come, what shall we do? 5. When________(complete), the swimming pool will be open to the public next year. 6. John went out to play with his homework_______(finish). 2）巩固练习：每个句子都有一处错误，请找出来并更正。 1. Seen from the mountain, we found the building is very small. 2. She is interesting in the pop music. 3. Unless being invited to speak, you should remain silent at the conference. Homework: 学与测： 语法达标训练

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