代词
  
一、代词的五种形式间的混用

he him himself self
  
主格<->宾格<-反身代词 名词
  

  

  
所有格
  
his
  
(A)名词前面应该使用所有格
  
make she debut 错
  
make one’s debut
  
* 双宾语结构例外 won him prizes 对
  
(B)反身代词画线--->改宾格
  
要使用的反身代词必须与所在句子主语一致
  
he killed him. 他杀
  
he killed himself 自杀
  
(C)self ,是名词,“自我”,只用于哲学, 出现永远错
  
二、代词的单复数 him,her--> them, 注意一下
  
三、代词的性别
  
his/her himself/herself
  
四、代词的人与物
  
Although he is employed in hte scientific field, the metric system
  
~~->it
  
is not used in the U.S.
  
五、关系代词
  ┏ which 指代物
  ┃ that 指代人或物 注意:who与which混用
  ┗ who 指代人
  ┏ who 主
  ┃ whom 宾
  ┗ whose 所有格
  
whom image --->只考过一回
  
~~~~->whose
 
 *主要考who和whose的混用
 
who + noun. 错 whose + V 错
 
介词
 
一、through/throughout
  
through: “穿过”、“通过”,强调动作
  
throughout: “贯穿”throughout his lifetime
  
“遍布”throughout the world
  
二、between/among
  
between the stars/trees 两两之间
  
among the two realms 错
  
三、in/inside /into
  
inside,in 静态,强调状态
  
into 动态,强调动作
  
air inside the house
  
shoot...into the sky
  
in + 单数noun.(无冠词),表示某一领域,某一方面,某一行业
  
in shape, in size