Lesson 62

• 生词

  in control. 受控
  out of control. 失控
  under control. 在控制之下
  There is no smoke without fire. 无风不起浪
  desolate adj 荒凉的
  threaten v 威胁
  threaten to do sth. 威胁做某事
  threathen sb with sth. 用什么威胁谁
  The theif threaten the lady with a knife.
  surrounding adj 周围的
  destruction n 破坏
  destructive adj 破坏性的
  flood n 洪水,水灾
  a flood of people. 人山人海
  authority n 当局(常用复数:authorities)
  spray v 喷洒 n 喷雾
  quantity n 量
  a huge quantity. 大量
  quality n 质量
  I prefer quality to quantity. 我重质不重量
  root n 根
  the root of the problem. 问题的根源
  patch n 小片
  a patch of land. 一块土地
  blacken v 变黑,发暗
  adj + en = v
deepen、darken、shorten、tighten

• 短语

  for miles around. 方圆数英里
  in place of. 代替

• 语法

  过去完成时：强调结果，过去的过去
  1、过去的某个动作之前，做某个动作，用过完
  He had already finished his homework when I got home.
  2、过去的某个时间之前，做某个动作，用过完
  Mr. Smith died yesterday. He had been a good friend of mine.
   
  判断依据：
  1、by + 过去的时间点
  I had finished reading the novel by nine o' clock last night.
  2、by the end of + 过去的时间点
  We had learned over two thouthand english words by the end of last term.
  3、before + 过去的时间点
  They had planted six hundred trees before last wendsday.
  4、宾从
  主句一过，从句先完成，从句要过完
  5、状从
  
  例外：
  
   
  过去完成进行时: 过去的过去在持续进行的动作
  He had been waiting for two weeks. He was still waiting.
Up to that time he had been translating those books.
He had been writing the letter till two o'clock.

• 造句

  他说他很熟悉她
  He said that he had known her well.
  我已经归还了我借的书
  I returned the book which I had borrowed.
  她丢失的钥匙找到了
  She found the key which she had lost.
  我醒来的时候雨已经停了
  The rain had already stopped when I woke up.
   
  我到家得时候，他一直在写作业.
  He had been doing homework when I got home.