2021中考英语语法考点专题精讲精练 [2017年中考英语语法专题详解三] .doc
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1、2021中考英语语法考点专题精讲精练 2017年中考英语语法专题详解三 中考英语语法考点专题精讲精练 2017年中考英语语法专题详解三 中考网权威发布2017年中考英语语法专题详解三,更多2017年中考英语语法专题详解三相关信息请访问中考网。介词、连词一. 介词1. 介词概述:介词表示它与后面的名词或代词与其他句子成分的关系。介词是虚词,不能单独做句子成分。介词在英语中用法很活,也无一定规律可循。在初中范围内还应学一个记住一个,特别是那些和动词的特殊搭配。2. 常用介词的意义和用法。 时间或地点介词in、on、at的用法区别:表示时间时, in表示在一段时间里(在将来时句子中则表示在一段时间之
2、后), on表示在具体的某一天或者某天的上下午等, at表示在某个时刻或者瞬间;表示地点时, in表示在某个范围之内, on表示在某个平面上或与一个面相接触,at则表示在某个具体的场所或地点。如:He was born on the night of May 10th.I usually get up at 7:00 in the morning.His glasses are on the desk.My brother is at the bus stop. after与in表示时间的用法区别:“after+(具体时刻/从句)”表示“在时刻之后”常用于一般过去时态;“in+(一段时间)”表
3、示“在(多久)之后”,常用于将来时态。如:He said that he would come back after 6:00.My father is coming back from Astralia in about a month. since与for表示时间的用法区别:“since+(具体时刻/that-从句)”表示“自从起一直到现在”,“for +(一段时间)”表示“持续一段时间”,都常用于完成时态;如:My father has worked in this factory since 1970.My father has worked in this factory for o
4、ver 30 years. by、in与with表示方式的用法区别:都可以表示“工具、手段”,但是by主要表示“乘坐”某个交通工具或“以方式”,在被动句中可以表示动作的执行者;in表示“使用”某种语言/文字,with表示“使用”某个具体的工具、手段。如:We write with our hands and walk with our feet.Please speak in English.Lets go to the zoo by bus.It was invented by Adison. about与on的用法区别:都可以表示“有关”,但是about的意义比较广,而on主要表示“有关(
5、专题/课程)”。如:Tom is going to give a speech on the history of China.They are talking about the English test. through与across、over的用法区别: through指“穿过(门洞/人群/树林)”; across和over可以指“跨越(街道/河流)”,可互换,但是表示“翻过”时只能用over. 如:Just then a kangaroo (鼠)ran across the road.(就在那时一只袋鼠跑过路面)There is a bridge across/over the riv
6、er.(河上有座桥)They climbed over the mountain and arrived there (他们翻过大山到达了那里)/The visitors went through a big gate into another park.(参观者们穿过一个大门来到另一个公园)(7)as与like的区别:两个词都表示“像”,但是as译为“作为”,表示的是职业、职务、作用等事实,而like译为“像一样”,表示外表,不是事实。如:Let me speak to you as a teacher.(我以老师的身份和你讲话。)Let me speak to you like a tea
7、cher.(让我像一位老师一样和你讲话)(8)in front of 与in the front of:in front of“在的前面”, 与in the front of“在的前部”。如:A group of people was standing in front of the hall.In the front of the hall stood a group of people.(12)except与besides的区别:except“除了”,表示排除掉某人物,即不包含;而besides“除了”则表示包含,即“不仅又”。如:Everyone went to the park exc
8、ept Tom.(除了Tom,大家都去了公园)(Tom没有去公园)/Besides maths he also studied many other subjects.(除了数学之外,他还学其他许多功课)(“数学”也是他学的功课之一)连词1.连词概述:连词是一种虚词,用于连接单词,短语或句子,但不单独做句子成分。按照连词的性质,可将连词分为并列连词和从属连词。并列连词如:and,but,or,for等,它们即可连接单词,短语,又可连接句子。从属连词如:when,before ,because等,它们主要引导名词性从句。2.常见连词的用法:1)并列连词 的用法: 并列连词有:and, but,
9、or, nor, so, for yet, however, as well as, both.and, not only.but also, either.or, neither.nor, still,And: 连接单词短语句子 。如:Tom and I study in the same school.But, or :I have a pen but no pencil. / Would you like coffee or tea?Nothing but除了,只有: I did nothing but watch it.Or表示否则:如: Hurry up or you will mi
10、ss the train.for 表示后面的句子是原因。如: He is good at piano for he practices harder than others.Not onlybut also 不仅而且。可并列主、谓、宾、表及句子。主语并列时,谓语要就近一致。如: Not only he but also I am a nurse.As well as 以及,同样。并列单词、短语、句子。并列主语时,动词要随前面的主语变化 .如:He works as well as he canEitheror 既又,或或,并列主、谓、宾、表及状语 ,如:Either come in or go
11、 out.Neithernor 既不也不, 并列主、谓、宾、表、状语,并列主语时,谓语就近一致。如:Neither you nor he is lazy.Bothand 和,既也,并列主、谓、宾及表语。I can speak both English and French.nor 也不,引导句子要倒装 。如:He can not play the piano, nor can I.so 因此,所以,不和because连用。如:You like swimming, so do I.1) 从属连词的用法: 从属连词有:after, when, before, as, while, since, u
12、ntil, till, if, unless, because, than, that, whether, so thatafter 表示“时间”,在之后。如:After I finished the school, I became a worker in the factory.Although/though 表示让步, “尽管”。如: Although she is young, she knows a lot.as 表示时间,“当时”,方式“象”,原因,“由于、因为”让步,“尽管、虽然” 。如: As it was rainy, we couldnt go out now.As if/
13、as though 表方式,“似乎、好像” 。如: He told us such a story as though he had been there before.As long as/so long as 表条件,“只要” 。如: As long as I am here, Ill go to help you.As soon as 表时间,“一就”。如: I will call you as soon as I come back.because 表原因,“因为”。如: I have to practice more because I am not good at English.
14、before 表时间,“在之前 。如: You should think more before you do it.Even if/ even though 表让步,“即使”。如: You should try again even if you failed.Hardlywhen 表时间,“(刚)一就”。如: Hardly I entered the gate when the bell rang.if “假如”,引导条件状语从句。如: We will stay at home if the rain doesnt stop.“是否”,引导宾语从句。如; I dont know if he
15、 goes shopping.In order that 表目的,“为了,以便”。如: We study hard in order that we can pass the exam.No matter +疑问词 表让步,“无论,不管”。如: No matter what you do, you should try your best.No soonerthan 表时间,“刚一就”。如: No sooner had I come home than it began to rain.once 表时间,“一旦”。如: Once you read this book, youll never
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