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1、高一英语必修一语法要点一 一般现在时1. 表示主语现在所处的状态及其所具备的特征、性格、能力等例如：I am a girl.2. 表示习惯性、经常性的动作例如：I usually go to bed at 9:00.3. 标志性的词语Always often sometimes now and then 4. 若助于为第三人称单数（he she it）则动词要用单三现二 现在进行时1 说话时正在进行的动作例如：I am reading.2.表示即将发生的动作，多用于go come start leave return arrive stay fly等词语之中，句子中常常有时间状语例如：The
2、plane is going to Beijing.3.当句子中出现了always 、forever 、constantly 、continually 、All the time等例如：I am always thinking of you.三 倍数比较1.A+系动词+倍数词+as+ adj adv的原型+as+B例如：The class is twice as big as that one.2.A+系动词+倍数词+adjadv的比较级+than+B例如：The class is twice bigger than that class.3.A+系动词+倍数词+the sizeamount(
3、数量)engthwidthheightdepth+of+B例如：The class is twice the size of that class.四 With的复合结构1 With+宾语+宾语补足语宾语补足语根据逻辑意义的不同可以是不同的词语，如形容词、现在分词、过去分词、副词、介词短语、不定式等，with在复合结构中常作状语2.常用结构with+宾语+doing表主动与进行例如：Tom was quite safe with Lucy standing behind him.with+宾语+done表被动与完成例如：With all things she need bought,she w
4、ent home.with+宾语+to do表将来例如：With so many thing to deal with.五 现在完成进行时现在完成进行时1基本表达式（I have been doing ） I/ we/ you/ they have been doing sth. he/ she/ it has been doing sth. 2表示从过去某时开始一直持续到现在的动作，并且还将持续下去。 The Chinese have been making paper for two thousand years. 中国有2000年的造纸历史。（动作还将继续下去） I have been
5、learning English since three years ago. 自从三年前以来我一直在学英语。（动作还将继续下去） 3表示在说话时刻之前到现在正在进行的动作。 We have been waiting for you for half an hour. 我们已经等你半个钟头了(人还没到，如同在电话里说的，还会继续等) 4有些现在完成进行时的句子等同的句子。 例如：They have been living in this city for ten years. They have lived in this city for ten years. 他们在这个城市已经住了10年了
6、。 I have been working here for five years. I have worked here for five years. 我在这里已经工作五年了。 5大多数现在完成进行时的句子不等同于现在完成时的句子。 例如：I have been writing a book.（动作还将继续下去） 我一直在写一本书。 I have written a book.（动作已经完成） 我已经写了一本书。 They have been building a bridge. 他们一直在造一座桥。 They have built a bridge. 他们造了一座桥。 6表示状态的动词不
7、能用于现在完成进行时。 例如：I have known him for years. 我认识他已经好几年了。 I have been knowing. 这类不能用于现在完成进行时的动词还有：love爱，like喜欢， hate讨厌，等。 注意：比较过去时与现在完成时1过去时表示过去某时发生的动作或单纯叙述过去的事情，强调动作；现在完成时为过去发生的，强调过去的事情对现在的影响，强调的是影响。 2过去时常与具体的时间状语连用，而现在完成时通常与模糊的时间状语连用，或无时间状语。 一般过去时的时间状语: yesterday, last week，ago, in1980, in October, j
8、ust now, 具体的时间状语 共同的时间状语: this morning, tonight,this April, now, once，before, already, recently，lately 现在完成时的时间状语 for, since, so far, ever, never, just, yet, till / until, up to now, in past years, always, 不确定的时间状语 3现在完成时可表示持续到现在的动作或状态，动词一般是延续性的，如live, teach, learn, work, study, know. 过去时常用的非持续性动词有c
9、ome, go, leave, start, die, finish, become, get married等。 例如： I saw this film yesterday. （强调看的动作发生过了。） I have seen this film. （强调对现在的影响，电影的内容已经知道了。） Why did you get up so early? （强调起床的动作已发生过了。） Who hasnt handed in his paper? （强调有卷子，可能为不公平竞争。） She has returned from Paris. 她已从巴黎回来了。 She returned yeste
10、rday. 她是昨天回来了。 He has been in the League for three years. (在团内的状态可延续) He has been a League member for three years. (是团员的状态可持续) He joined the League three years ago. ( 三年前入团，joined为短暂行为。) I have finished my homework now. -Will somebody go and get Dr. White? -Hes already been sent for. 句子中如有过去时的时间副词（如
11、 yesterday, last, week, in 1960）时，不能使用现在完成时，要用过去时。 （错）Tom has written a letter to his parents last night. （对）Tom wrote a letter to his parents last night. 六过去完成时1 概念：表示过去的过去 其构成是had +过去分词构成。 那时以前 那时 现在 2 用法 a. 在told, said, knew, heard, thought等动词后的宾语从句。 She said (that) she had never been to Paris. b
12、. 状语从句 在过去不同时间发生的两个动作中，发生在先，用过去完成时；发生在后，用一般过去时。 When the police arrived, the thieves had run away. c. 表示意向的动词，如hope, wish, expect, think, intend, mean, suppose等，用过去完成时表示原本，未能 We had hoped that you would come, but you didnt. 3过去完成时的时间状语before, by, until , when, after, once, as soon as。 例如：He said tha
13、t he had learned some English before. By the time he was twelve, Edison had began to make a living by himself. Tom was disappointed that most of the guests had left when he arrived at the party. 七现在完成进行时1其构成形式如下： I / we / they have been + 动词的现在分词 He / she / it has been + 动词的现在分词 功用如下： 2 表示一个在过去开始而在最
14、近刚刚结束的行动，如： Ann is very tired. She has been working hard. Why are you clothes so dirty? What have you been doing? 3表示一个从过去开始但仍在进行的行动，如： It has been raining for two hours. (现在还在下) Jack hasnt been feeling very well recently. 4 表示一个从过去开始延续到现在，可以包括现在在内的一个阶段内，重复发生的行动，如： She has been playing tennis since
15、she was eight. 5 现在完成时强调动作行为的结果、影响，而现在完成进行时只强调动作行为本身，如： Toms hands are very dirty. He has been repairing the car. The car is going again now. Tom has repaired it. 注意： 现在完成时有否定结构、而现在完成进行时没有否定结构。 现在完成时态可表示做完的时期以及已有的经验、但现在完成进行时不可以 现在完成进行时的否定结构 现在完成进行时有时也可用否定结构。如： Since that unfortunate accident last week, I havent been sleeping at all well. 自从上周发生了那次不幸事故之后，我一直睡得很不好. He hasnt been working for me and I havent has that much contact with him. 他并没有给我工作过，我和他没有过那许多接触。
