现在分词和过去分词的用法1分词在句子中作状语，可以表示时间、条件、原因、结果、让步、伴随等。分词 做状语时，它的逻辑主语与句子的主语一致。作状语的分词相当于一个状语从句。Hearing the news, they all jumped with joy.Using what you know of word stems and word formations, you can make a guess at the meaning of a new word.The students went out of the classroom, laughing and talking.Accompanied by his friend, he went to the railway station.Given better attention, the plants could grow better.He looked tired and depressed, visibly disturbed by the news of his mothers illness.分词在句子中作状语，使用何种分词，要取决于分词与句子主语的关系：主谓关系 用现在分词，动宾或被动关系用过去分词。Not having enough hands, we turned to them for help.(we dont have enough hands).Taught by mistakes and setbacks, we have become wiser and handled our affairs better. (We are taught / teach us).Inspired by the International, the working people of all countries have been fightingfor their final liberation. (The working people were inspired / inspire the working people)the earth to be flat, many feared that Columbus would fall off the edge.A) Having believed B) Believing C) Believed D) Being believed意为：相信地球是平的，许多人担心哥伦布会从边上掉下去。许多人与相信之间是主 谓关系，及分词与主语之间为主谓关系，因此，应用现在分词。No matter how frequently_,the works of Beethoven always attract largeaudiences.A) performing B) performed C) to be performed D) being performed 句中贝多芬的作品被反复表演，可见分词与句子的主语之间是被动关系，应该用过去分词。as it was at such a time, his work attracted much attention.A) Being published B) Published C) Publishing D) To be published 句中as引导的是让步状语从句，意为：他的作品尽管在被这样的时候出版，还是引 起了关注，可见分词与句子的主语之间是被动关系，应该用过去分词。2 “while (when, once, until, if , though 等连词)+分词”结构现在分词或过去分词作状语时，有时可以在分词前加 while，when, once, although, until, if等连词。When leaving the airport, she waved again and again to us.While waiting for the train, I had a long talk with my sister about her work.Once recovered, he threw himself into his work and made every effort to do it well.Although working very hard, he failed to pass the final exam.If translated word by word, the passage will be difficult to understand.3分词作定语分词作定语时，单个的分词通常放在被修饰的名词之前，分词短语一般置于所修饰 的中心词后面。现在分词修饰的是发出该动作的名词(即与名词有主谓关系)，过去分词修饰承受该动作的名词(即与名词是动宾关系)。We will go on with our experiment as soon as we get the added fund.This is really an exhausting day to all of us!We can see the part of the moon lighted by sunlight.After a night spent in excitement and sleeplessness, I forced myself to take a long walk along the beach the next day.More and more developing countries established strategic partnership with developed countries.The young sitting between my sister and my brother is my cousin Jack.As early as 1649 Ohio made a decision that free, tax-supported schools must be established in every town50 households or more. (98,1)A) having B) to have C) to have had D) having hadTown后面由分词做定语，而且town本身有50或以上人家，故town与分词间为主谓关 系，应该用现在分词。4分词作宾语补足语4.1 现在分词在 see, watch, hear, observe, notice, feel, find, glimpse, glance等感官动词和look at, listen to等短语动词，以及have, keep, get, catch,leave, set, start, send等使役动词后面与名词或代词构成复合宾语，作宾语补卜 语的成分。On the top of the hill, we could see smoke rising from the chimneys in the village.The little boy sat beside the railway line and watched the trains roaring by.We should not leave him wondering what he should do.I am sorry to have kept you waiting for such a long time.I caught him dozing off in class.4.2 过去分词可以在 allow, ask, consider, desire, expect, feel, find, get, have,hear, imagine, keep, like, make, observe, order, permit, prefer, remember, request, require, see, urge动词等后面作宾语补足语。After my encounter with her, I found myself greatly shaken.You should keep her informed of what is going on here.The teacher expected the students well prepared for the examination.4.2 在动词 see, hear, feel, watch, notice ，perceive，observe, listen to, look at 后既可用现在分词做补语，也可用不定式做补语。用现在分词表示动作正在进行 用不定式表示的动作的全过程已经完成。I saw Mr. White get off a bus.I saw Mr. White looking into a shop window.Do you hear someone knocking at the door?Yes, I did. I heard him knock three times.5分词作表语分词作表语通常看作形容词来用。现在分词表示主语的性质，而且主 语多为物；过去分词表示主语的感受或状态，主语多为人。The film “Pearl Harbor” is really exciting. I am excited about it. His response to the question was quite disappointing.I felt disappointed at his response.分词练习I, After the Arab states won independence, great emphasis was laid on expandingeducation, with girls as well boys to go to school. (97,1)A) to be encouraged B) been encouraged C) being encouraged D) be encouraged2,a man who expresses himself effectively is sure to succeed more rapidly than a man whose command of language is poor. (97,6)A) Other things being equalB) Were other things equalC) To be equal to other thingsD) Other things to be equal3, All things, the planned trip will have to be called off. (98,6)A) considered B) be considered C) considering D) having considered4, The house was very quiet,as it was on the side of a mountain. (99,6)A) isolated B) isolatingC) being isolated D) having been isolated5, This