仁爱英语七年级上册unit2知识点topic3
1，Whose jacket is this ?=Whose is this jacket ?   
  Whose是特殊疑问词，引导特殊疑问句。
  特殊疑问句=特殊疑问词+一般疑问句？   
  Who,  what  ,when  ,what time ,how ,how many ,how much ,how often ,how long ,why 
  Whose +单数名词+is this /that ?=whose is this /that +名词单数？   
  Whose +名词复数+are these /those ?=Whose are these/those +名词复数？  
  回答：It’s/they are +物主代词，名词所有格。
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2，Is this your cap ?=Is this cap yours ?=Is this yours ? 
  形容词性物主代词：my our your your his her its their 
  名词性物主代词：mine ours yours yours his hers its theirs   
  形容词性物主代词+名词=名词性物主代词
  My +n=mine  our+n=ours    your+n=yours   his+n=his   
  her+n=hers    its +n =its  their +n =theirs    
  This is your cap =This cap is yours =This is yours    
  This is my cap =This cap is mine .=This is mine 
  These are their caps =These caps are theirs =These are theirs .

3，Then 那么，然后

4，It’s Sally’s . 名词所有格
  ‘s所有格，不以S结尾的加’s,,,,以s结尾的只加 ’。   
  Lily’s    my mother’s    the doctor’s     the students’     the boys’          
  of所有格    a map of China     the window of the room       
  双重所有格  《1》of+’s所有格    《2》of+名词性物主代词      
  a friend of my father’s /my mother’s     a photo of mine /his/hers /theirs 

5，That’s OK=You’re welcome .不客气

6，Be from =come from 来自  
  Where are you/they from ?=Where do you/they come from ?    
  I/we/they are from ...=I/we/they come from ...    
  Where is he /she /it from ?=Where does he /she/it come from ?    
  He/she/it is from ...=He /she /it comes from ...

7，Look the same     
look different =have different looks 

8，表示穿着
  In +(a/an)+颜色+名词  “穿着一件什么颜色的什么衣服”    
  in a blue coat    in blue pants   in a yellow cap     
  in +颜色   “穿着什么颜色的衣服”    the girl in red   the boy in blue 
9，Is this /that ...? Yes, it is /No, it isn’t .    
Are these /those ..复数.?  Yes, they are /No, they aren’t .

10，A wide mouth

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