Unit 1  Could you please clean your room?
语法点
情态动词could 的用法
表示请求与准许，could 委婉有礼貌；
表示能力会不会，could只把过去表
重点短语:
1.do the dishes 洗餐具            2.take out the trash 倒垃圾    
2.at least 至少                   4.throw down扔下             
5. all the time 一直；反复         6.in surprise 惊讶地       
7.as soon as 一......就......           8. in order to 为了
9.spend......on......在......花费（时间、金钱、精力）
10.make the bed整理床铺         11.depend on 依赖；信赖   
12.look after 照顾；照看          13.take care of 照顾  
14.as a result 结果                15. a waste of time  浪费时间  
 
用法归纳
1.finish doing sth 做完某事             2.want sb to do sth 想要某人做某事
3.try (not) to do sth 尽力（不）做某事   4.let sb do sth 让某人做某事
5.spend......(in) doing sth 花费......做某事
6.mind doing sth 介意做某事            7.learn to do sth 学习做某事
8.learn how to do sth 学习怎样做某事  
9.The +比较级，the+比较级  越......，就越.....
 
语言知识归纳：
1. work on 从事于；着手干
  The writer is working on a new book. 那位作家正在写一本新书。
  She is going to work on her physics project. 她打算从事她的物理项目。
 【例题】(  ) The scientists are____inventing some methods of producing electricity.
             A. working on   B. working out   C. working at   D. working for
2. at least 至少
   at least  修饰时间、距离、长度等，以加强语气。
   翻译短语位at most,意为“至多，最多”。
   He kept me waiting at least an hour.
   There were fifty people there at most.
3. all the time 一直；总是
   Things are changing all the time.事情一直在变化。
  【拓展】time相关的短语
          on time准时               at the same time同时           in time及时
          From time to time偶尔       the first time第一次
  【例题】选出能代替句中划线部分的一项。
         (  ) I always go shopping on Friday.  
             A. all the time    B. all the same    C.all along   D. all the way
 
4. I’m just as tired as you are! 我和你一样累。
   as...as意为“和……一样”,表示同级比较。as...as中间要用形容词或副词原级。
   This story is as interesting as that one. 这个故事和那个一样有趣。
   否定式为not as/so...as,意为“不如……”。
   The garden is not so beautiful as you thought.
  【例题】(  ) He speaks French well, but of course not____a person born in France.
             A.as clear as   B. clearer than   C. as clearly as   D. the more clearly
 
5. For one week, she did not do any housework and neither did I.一个星期，她不做家务，我也不做家务。
  so,neither 倒装句型
    So + 助动词/ be动词/ 情态动词+ 主语
Neither + 助动词/ be动词/ 情态动词+ 主语
这两种结构常用来说明前面所说的情况，后面某人（物）也是这样。助动词/ be动词/ 情态动词
在形式上与前句的谓语保持一致，而其单复形式由后句的主语决定。So依附于肯定句，neither
依附于否定句。
Bill watched TV last night. So did Ann.
Lily isn’t a teacher. Neither is Mary.
【例题】(  ) -I never drink coffee.  -______.             
            A.So do I   B. So did I   C. Neither did I   D. Neither do I
 
6. 辨析borrow与lend
   borrow sth. from sb. 向某人借（入）某物
   lend sth. to sb. / lend sb. sth. 把某物借给某人
   【注】borrow,lend都是非延续性动词，如果要表示“借多长时间”要用keep。
  【例题】(  ) Although you like the book, you may only ___it for two weeks.
              A. borrow   B. keep    C. lend    D. stay
   
7. spend v. 花费（金钱；时间）
   spend + 钱/时间 + on sth.    在……上花费时间或金钱
   spend + 时间 +( in) doing sth. 花时间做某事
  【例题】(  ) Yang Feng ___ every Saturday afternoon volunteering in an old people’s home.
              A. costs   B. takes  C. pays    D. spends
 
8. provide v. 提供；给予
    provide sth.           The restaurant provide the best service.
    provide sb. with sth.    The parents provide the children with food and clothes.
provide sth. for sb.     The schools provide desks and chairs for the students.
【例题】(  ) To protect the environment, supermarkets don’t ___ free plastic bags to shoppers.
        A. take    B. show    C. provide    D. carry
 
9. depend on 依靠；依赖；相信
   depend on为固定短语，不能用进行时态，也不可用被动语态
   As we know, good results depend on hard work.
   You can’t depend on your parents forever.
 
10. The earlier kids learn to be independent, the better it is for their future.孩子越早学会独立，对他们的
   将来就越好。
   the + 比较级...，the + 比较级...     “越……就越……”
   The harder you work at your study, the better grades you will have.
  【例题】(  ) -There was thick haze(雾霾) in our city this spring. What do you think of it？
              -I think ___cars we drive, ____pollution our city will have.
        A. the fewer; the fewer        B. the fewer; the less    
        C. The more; the fewer        D. the more; the less
 
11. in order to 的用法
   (1) in order to意为“为了……”，强调目的，后接动词原形。
      In order to let the students hear him, he spoke loudly.
      We have to study hard in order to pass the exam.
  In order not to be late for school, she took a taxi.
(2)含in order to的句子可以转变为由so that或in order that 引导的状语从句。
  She ran quickly in order to catch the bus.
  She ran quickly in order that she could catch the bus.
  She ran quickly so that she could catch the bus.
 
12. as a result的用法
as a result用于引出结果，常用于两个句子之间，其中一个是另一个的结果，且前后用标点符号
将两个句子隔开，意为“结果是”。
He didn’t listen carefully. As a result, he couldn’t work out the maths problem.
【注】as a result of 的意思是“由于，因为”， 相当于because of。
      Peter was late as a result of the heavy rain.= Peter was late because of the heavy rain.
    【例题】(  ) The boy studied hard.  ______, he passed the exam.
                A. Ia fact    B. On time    C. After all    D. As a result