新目标英语七年级(下)Unit 9 重难点精讲精练

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  “一般过去时”的烦恼
  
   Hello, everyone!认识我吗?我是“一般过去时”,我有许多烦恼要向你们倾诉。原本我很快乐,可自从遇到你们中的某些粗心的同学,真叫我有口难言。在此,借《中学生英语》杂志,我想说说我的烦恼,希望能引起同学们的注意,让快乐重新回到我身边。
  
   一、忽略时间状语。
   有些同学在使用英语时,不管时间状语是什么,总是喜欢使用“一般现在时”,根本不把“我”放在眼里,经常把“我”忘得一干二净,本该使用“我”的场合也把“一般现在时”搬了出来。例如:
   昨天他不在家。
   【误】 He is not at home yesterday.
   【正】 He was not at home yesterday.
   去年他们住在上海。
   【误】 They live in Shanghai last year.
   【正】 They lived in Shanghai last year.
   【析】由句中yesterday, last year这两个时间状语可知,这两句该用一般过去时。我现在再次郑重地声明:表示在过去某一时间发生的动作或存在的状态要用一般过去时,即:当句中含有yesterday, yesterday morning/afternoon/evening, last night/year/week/month, a week ago, two days ago, just now等时间状语时,挺身而出的一定是“我”。
  
   二、滥用was和were。
   只是在含有was或were的句子,变一般疑问句时,才把was或were提到句首,其它情况下则用did来帮助完成。例如:
   你喜欢那个展出吗?
   【误】 Were you enjoy the show?
   【正】 Did you enjoy the show?
   他们步行去动物园的吗?
   【误】 Were they walk to the zoo?
   【正】 Did they walk to the zoo?
  
   三、行为动词不还原。
   在含有行为动词的一般过去时的肯定句中,行为动词要用过去式。可是在一般疑问句或否定句中,由于句中加了助动词did,句中的行为动词要改为原形。好多粗心的同学总是把这一点给忘了,真令我哭笑不得。例如:
   【误】 Did you had lunch at school yesterday?
   【正】 Did you have lunch at school yesterday?
  
   四、错拼行为动词的过去式。
   有些同学没有掌握好行为动词过去式的构成规则,在运用时经常出现过去式拼写错误的现象,真让人头痛。例如:
   【误】 Who carryed the big box?
   【正】 Who carried the big box?
   [析] 以“辅音字母 y”结尾的动词变过去式时,要先把y改为i再加ed。
   【误】 A policeman stoped the car.
   【正】 A policeman stopped the car.
   【析】 末尾只有一个辅音字母的重读闭音节词,变过去式时,应先双写这个辅音字母,再加ed。
   【误】 She writed a letter to her friend yesterday.
   【正】 She wrote a letter to her friend yesterday.
   【析】 write的过去式是wrote,属不规则变化,切不可想当然直接在其后加d。
   希望同学们能理解“我”的一番苦心,愿你们更多了解“我”,使我们成为真正的好朋友。Goodbye!
  
   【小试牛刀】
  Ⅰ. 用括号内所给动词的适当形式填空。
  1. I _____ (buy) a new dictionary the day before yesterday.
  2. —What day ______ (be) it yesterday?
   —It _____ (be) Friday.
  3. He _____ (be) here half an hour ago.
  4. We often _____ (play) games last term.
  5. She _____ (give) me a book a moment ago.
  6. The girl _____ (get) up very early this morning.
  7. They _____ (take) photos near the river an hour ago.
  8. He _____ (not watch) TV yesterday evening.
  9. —Why _____ (be) the boy late for school?
   —Because he _____ (be) ill.
  10. Mr Green _____ (come) to visit me last night.
  11. The teacher _____(agree) to our idea yesterday.
  12. He said he ______(feel) terrible.
  13. They ______(make) him work twelve hours a day last year.
  14. I ______(see) him in the library two days ago.
  15. She ______(write) her address on the blackboard ten minutes ago.
  Ⅱ. 按要求改写下列各句。
  1. I was at home this morning. (改为一般疑问句,并作否定回答)
  ______ ______ at home this morning?
  ______, ______ ______.
  2. He did morning exercises in the morning. (改为否定句)
   He ______ ______ ______ ______ in the morning.
  3. They had a big dinner yesterday. (改为一般疑问句,并作肯定回答)
   ______ ______ ______ a big dinner yesterday?
   ______, ______ ______.
  4. Mr Wang went to America by plane. (对划线部分提问)
   ______ ______ Mr Wang ______to America?
  5. How did you like Shanghai? (改为同义句)
   ______ ______ ______ ______ ______Shanghai?
  
  Keys: Ⅰ. 1. bought2. was; was3. was
  4. played5. gave6. got7. took8. didn’t watch9. was, was10. came 11. agreed 12. felt 13. made 14. saw 15. wroteⅡ. 1. Were you, No, I wasn’t 2. didn’t do morning exercise 3. Did they have, Yes, they did 4. How did, go 5. What did you think of
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