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初中英语语法总结(从句) 从句分为定语从句,状语从句和名词从句三大类。定语从句又分为限定性和非限定性从句 两种,由关系代词或关系副词引导,修饰主句的某个成分。状语从句分为时间、结果、让 步、原因、条件及行为方式状语从句。名词从句包括主语、宾语、表语和同位语从句及 there be 句型。 1定语从句 限定性定语从句中 that 可代表人和事,而 which 只代表事;二者在从句中作主语或宾语。 that 作宾语时常可省略,which 则不能,而且其后的“不及物动词+介词中的介词不能省略。 which 作宾语时,先行词与 which 之间的介词不能省。例如: 1.The first doll that could say“mama”was invented in 1830 2.The second half of his voyage was by far the more dangerous part,during which he sailed round the Cape Horn 代表 a11,anything,something,nothing,much 等词时,用 that 而不用 which,that 作宾语 可省略。例如: 1.I care anything that has something to do with it 2.Youd better do something he prefers to do to please him 3.That is the last time we met each other 4.I came across the woman you told me about yesterday who 和 whom 引导的从句用来修饰人,分别作从句的主语和宾语。where 是关系副词,用 于表示地点的定语从句,而 when 用来表示时间。whose 是关系代词,修饰名词作定语。例 如: 1.Henry Ford is the person who is most responsible for developing the idea of mass production 2.The knee is the joint where the thigh bone meets the large bone of the lower leg 3.The next morning, when she came down to breakfast , Mary was beaming with the pleasure of a new,great discovery 4.The visiting professor is a famous scientist whose son studies in my department 在下列情况,限定性定语从句的关系代词可以省略:1)当关系代词在从句中作宾语或表语; 或它们在从句中作介词的宾语, 而该介词又在句末时;2)当先行词是 that,all,only ,everything,something ,nothing 等代 词时,或先行词前有一个最高级形容词修饰时;3)当先行词前有 only,any,all,first,no,last 等修饰时,或先行词就是 time,moment,way(anyway), direction,distance 等名词时,关系代词即可省略。例如: 1.The delegation we had been waiting for finally arrived 2.I met the woman you told me about 3.She gave me all she could afford 4.With TV we can see things happen almost at the exact moment they are happening 非限定性定语从句,其作用为:对所修饰的成分作进一步的说明,它与主句用逗号隔开。 此类从句省略后其余部分仍可成立。在非限定性定语从句中,which 可代表前面的整个句 子;代表人时只能用 who,whom ,而不能用 that;as 也可用作关系代词。例如: 1.The telephone,as we know,was the invention of Alexander Graham Bell 2.The Little White House in Warm Springs was the Georgia home President 3.Franklin DRoosevelt,who died there on April 12,1945 4.Living in a damp house for a long time is harmful to ones health,which is known to everyone 2状语从句 状语从句可分为:时间状语从句(主要由 when,whenever,after,before,a5,slnce ,once ,assoonas 初中英语语法总结, Until,while 等连词引导) ,结果状语从句( 由 sothat 和 suchthat 连接),让步状语从句 (由 though,although, no matter,even if 初中英语语法总结, however 初中英语语法总结, whatever 等词引导),原因状语从句(由 as,because ,since 和 for 引导) ,条件状语从句(由 if, whether,as long as,provided that 等词引导) ,地点状语从句(由 where 引导),行为方 式状语从句(由 as 引导) 。有时条件状语从句中,主句不可以用将来时,而用一般时代替。 例如: 1.The small greenish flowers of the elm tree appear in the Spring, long before the leaves grow. 2.QiongYaos novels used to be so popular that her books appeared on best-seller lists. 3.Gas balloon is less safe than hot balloon because it may catch fire. 4.Uniform acceleration (同样的加速 ) occurs if the rate of change remains the same over successive equal intervals of time 5.Thousands of Chinese college students went to the US Consulate 6.Shanghai, where they protested NATOs bombing at Chinas Embassy in Yugoslavia. 状语从句中的 “主语+be”可以省略,前提是:从句主语和主句主语一致,且从句谓语“be” 省略后的结构为“连词+现在分词过去分词介词短语形容词名词短语”。) 例如: 1.When well fitted, glasses can correct most sight defects in healthy eyes 2.If necessary,I would like to see you in your office. 3.Although seriously wounded,he never complained 3名词从句 名词从句包括主语从句、宾语从句,其中有介词与形容词的宾语从句、表语从句和同位语 从句。 1)主语从句 主语从句常出现在 it is+名词、形容词、分词+主语从句”的形式中。例如: 1.It is reported that Taiwanese pop singer Meng Tingwei will hold a solo concert in Shanghai someday this month 2.It must be pointed out that you have failed to meet the deadline 3.It usually happened that I was late because of traffic jams. 主语从句还可用 when,where 初中英语语法总结,how ,why ,whether 等连接副词,和 who,whom,whose,what , which 初中英语语法总结,whoever,whatever,whichever 等 连接代词来引起。例如: 1.How to arrange the meeting is not your task 2.Whose candidate will win the election is the question both political parties are asking 3.When I leave is my own decision. 4.Whoever will go to the party wont change my mind of staying at home 2)宾语从句 宾语从句可由 that, 疑问代词或副词 how,why 和 where 等引出。例如:1.To postpone the conference until next month indicated that they were unprepared 2.Nearly a11 the staff agreed with what I said 3.Everyone worried about her because no one was aware of where she had gone 4.Could you offer more details except that it happened at night? 由 what,whether ,how 引导的宾语从句可用在介词后,而由 that 引导的从句只跟 but,besides, except,in, save 之后。例如: 1.I can hardly believe in what they have done. 2.He doesnt know my phone number except that the city code is 021. 一些表语性的形容词,如:alarmed,amazed,annoyed, astonished, certain,confident , disappointed, glad, pleased, proud, sad, shocked, sure, surprised, worried, ect.做表语时,后面可跟由 that, how 等引导的宾语从句。例如: 1.I was amazed how he could pass the exam without attending the lectures 2.He is confident that he will pass the Band 6 examination 3.She was surprised how simple his problem is 4.We are all pleased that he will be able to pass the final examination. 3)表语从句 表语从句对主语的内容起解释和阐述的作用;若表语从句用 that 引起,that 起连接作用, 不能省略。b 表语从句也可用连接词 how,when ,where,why ,what 引起。由 because 引 起的表语从句通常只用在“thisthat it is because” 结构中。例如: 1.A logarithm(对数) is what is known in algebra exponent(代数的指数) 2.One thing I admire most about them is that they are hospitable 3.She works too hard;That is why she is exhausted 4.I must point out that where you intend to build a super-market is where the elderly do exerci
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