高一英语必修一 Welcome Unit 重点单词、短语、句型、语法知识点归纳讲解

1、必修一Welcome Unit重点单词、短语、句型、语法精讲一、重点单词、短语精讲 n. 交流；交换an exchange student 一名交换生Would you like my old TV in exchange for this camera?1. exchangein exchange for用来交换重点单词 vt. 交换；交流exchange views/ideas 交换意见/交流思想Before graduation, students exchanged presents with each other.交易；兑换You can exchange your currency

2、 for dollars in the hotel.重点单词exchange sth. with sb.和某人交换某东西exchange sth. for sth.把兑换成 n. 设计；图案；计划；目的a bowl with a flower design 有花卉图案的碗by design 故意地重点单词2. designvt. 设计；筹划The route was designed to relieve the heavy traffic. It is said that the early European playing-cards were designed for entertain

3、ment and education.designer n. 设计者；设计师be designed to do为而设计be designed for为而设计重点单词 n. 印象；感想I want to make a good first impression.He left /made a deep impression on me.first impression第一印象给留下深刻印象重点单词3. impressionimpressvt. 给留下深刻的印象；使钦佩The teachers were very impressed by your performance in the exam.

4、The teacher impressed the importance of English on/upon me.给留下深刻印象使意识到；使铭记重点单词 要是会怎么样？（相当于What will happen if）What if no one talks to me?What if the train is late?后接陈述句重点短语1. what if专心于；集中精力于I couldnt concentrate on the experiment.We must concentrate on improving education.后接名词、代词、动名词重点短语2. concentr

5、ate on 盼望；期待Tom is looking forward to meeting the new exchange student.I m looking forward to your early reply. 后接名词、代词、动名词重点短语3. look forward to二、Reading 重点句型1.I found most of my classmates and teachers friendly and helpful. 我发现大部分同学和老师很友好并乐于助人。1. Im glad to find you in.2. He tried the door and fou

6、nd it unlocked.3. Its quite common to find her reading the newspaper.句型：find +宾语+宾语补足语sb./ sth.adj./adv./prep./分词等2. Her first impression was that English was difficult and people spoke too quickly,她的第一印象是英语很难，而且人们说话语速很快，在从句中作表语1. The truth is that I didnt go there.2. The reason for his absence is t

7、hat his daughter suddenly fell ill.3. As is known to us, China is no longer what she used to be.此句使用that引导表语从句。在主从复合句中，充当表语的从句称为表语从句。that在从句中不充当任何成分，不能省略。3. Youll never see me without a book or a pen. 我总是随身带一本书或一支笔。1. The fish can not live without water.2. I could have never made so much progress wi

8、thout your help.句型：notwithout没有就没有(双重否定表示肯定)常见否定结构表示肯定意义的句式还有：cannot too/cannotenough越越；无论怎样也不过分cannot/can hardly wait to do 迫不及待地做cannot help doing sth. 禁不住做某事1. You cant be too careful while driving a car.2. I cant wait to hear the news.3. He couldnt help laughing.三、语法难点讲解1.句子成分 句子成分 主语 S (subject

9、) 谓语 V (verb) 宾语 O (object) 表语 P (predictive) 状语 A (adverbial) 宾语补足语 C (object complement) 直接宾语 DO (direct object) 间接宾语 IO (indirect object)2.基本句子结构 1.主语+谓语（SV） 1. All of us laughed. 2. Students are reading.补充：主语+谓语+状语（SVA）1. He talked too much.2. Tom runs fast. 2.主语+谓语+宾语（SVO）1. I miss my grandma.2

10、. She has finished her homework.补充：主语+谓语+宾语+状语（SVOA）1. I had my first maths class at senior high school.2. They put on a good performance yesterday. 3.主语+表语（SP）1. The teacher was kind and friendly.2. The fish tastes delicious.补充：除be动词以外，一些表示感觉、状态、变化的动词也可用作系动词，例如：look，feel， turn， remain等。 4.主语+谓语+间接宾

11、语+直接宾语（S V IO DO）1. He told us a funny story.2. My father gave me a new book.=My father gave a new book to me.补充：常接双宾语的动词有：give，send， buy，lend，show，tell等。 5.主语+谓语+宾语+宾语补足语（S V O C）1. I found most of my classmates and teachers friendly and helpful.2. The teacher found the classroom empty.3. I saw many students enter that room.补充：常用来充当宾语补足语的有形容词、副词、介词短语、不定式、现在分词和过去分词等。 6.There be句型1. There is little rain around the year. 2. There are many interesting stories about the town.3. There used to be a river.补充：There be句型的变式有There used to be，There happened to be，There live