1、Grammar,过去分词作状语,过去分词在句中一般能作时间、原因、条件、让步和方式状语。如：表示原因，相当于由as, since, 或because引导的原因状语从句Caught in a heavy rain, he was all wet. 因为淋了一场大雨，所以他全身湿透了。 (Because he was caught in a heavy rain),表示条件,相当于if, unless引导的条件状语从句 如果种在肥沃的土壤里，这些种子能长得很快。Grown in rich soil, these seeds can grow fast. (If these seeds are gr
2、own in rich soil),Compared with you, we still have a long way to go. (If we are compared with you),与你们相比，我们仍有很长一段路要走,表示伴随情况或方式: The trainer appeared, followed by four little dogs. 训练员出现了，后面跟着四条小狗。 He walked up and down the room, lost in thought. 他在屋子时走来走去，陷入了沉思。,表示时间 When heated, ice can be changedi
3、nto water. （When ice is heated,）,表示让步，相当于although/though引导的让步状语从句 Left at home, John didnt feel afraid at all. (Although he was left at home,) Even if invited, I will not take part in the party. (Even if I am invited,),小结,过去分词在句中作状语，过去分词的逻辑主语要和句子的主语一致。 位置：过去分词作状语，可以放在主句的前面或者后面，用逗号将二者隔开。 连词+过去分词作状语 有
4、些过去分词可以用连词加以强调。这些连词有when, once, if, unless, though, as if, although, even if, even though, than, as,过去分词与现在分词作状语的区别,Following the old man, we went upstairs. =We followed the old man, and we went upstairs.Followed by the old man, we went upstairs. =We were followed by the old man, and we went upstair
5、s.,Seen from the top, the stadium looks like a birds nest.Seeing from the top, we find the stadium like a birds nest.,过去分词与现在分词作状语的区别,过去分词表完成，被动，与主句的主语之间是被动关系。现在分词表进行，主动，与主语的主语之间是主动关系。,有些过去分词（短语）源于系表结构，作状语时不表动作而表状态。 常见的有: lost (迷路); seated (坐); absorbed in (全神贯注于); dressed in (穿着); tired of (厌烦)等。如：
6、 Absorbed in deep thought, he didnt hear the sound. 因为沉浸在思考之中,所以他没听到那个声音。,练习坊,用所给词的适当形式填空，并与A-C的汉语翻译相匹配。1. Once _, a word becomes a promise. 2. Once _, water cannot be taken back again. 3. _ by the beautiful scenery, I forgot to go back home in time.,impress; pour; speak,A.覆水难收,B.流连忘返,C.一言既出, 驷马难追,s
7、poken,poured,Impressed,C,B,A,II. 用所给词的适当形式填空。 1. _ (see) from the top of the hill, the city looks beautiful to us. 2. _ (give) time, hell make a first class tennis player. 3. _ (look) out of the window, I found many children playing on the playground.,Seen,Given,Looking,4._ (give) more time, Ill fin
8、ish my work on time. 5. Compared with _ (develop) countries, we still have a long way to go. 6. The English teacher entered the room, _ (follow) by his students.,Given,developed,followed,7. The teach buildings _ (build) in 1960 need repairing. 8. I found my school bag _ (leave) in Marys room.,built,
9、left,1. _ in thought, he almost ran into the car in front of him. A. Losing B. Having lost C. Lost D. To lose,配套练习,动词-ing或过去分词作状语, 其逻辑主语应是主句主语。,2. If _ the same treatment again, hes sure to get well. A. giving B. give C. given D. being given,3. _ in 1636, Harvard is one of the most famous universiti
10、es in the United States. A. Being founded B. It was founded C. Founded D. Founding,析: 正确答案为 C 项。哈佛大学是1636 年被建的, 所以该空应填过去分词 Founded 作状语。,4. _ with the size of the whole earth, the biggest ocean doesnt seem big at all. A. Compare B. When comparing C. Comparing D. When compared,5. _ time, hell make a f
11、irst-class tennis player. A. Having given B. To give C. Giving D. Given 6. _ in a white uniform, he looks more like a cook than a doctor. A. Dressed B. To dress C. Dressing D. Having dressed,7. Unless _ to speak, you should remain silent at the conference. A. invited B. inviting C. being invited D.
12、having invited,8. When _, the museum will be open to the public next year. A. completed B. completing C. being completed D. to be completed,析：正确答案为 A 项。博物馆是被完工的, 所以该空应填过去分词completed 作状语。,9. The research is so designed that once _ nothing can be done to change it. A. begins B. having begun C. beginning D. begun,析：正确答案为 D 项。分析语境逻辑可知，该空含义为“(这研究)一旦被开始”，因此应填过去分词 begun作状语。,
