where、when、why定語從句ppt課件(PPT 14頁)

1、 The boy _ is standing under the tree is my friend Tom. He lives in a house _ stands on a hill. That little girl_ Tom often helps is his sister Mary. The bird _ is singing in the cage is Toms too. Bob is his dog _ Tom and Mary often play with. The dog is great. Yesterday he caught a thief _running a

2、way. Exercise 2: 用who/whom/which/that填空who/thatwhich/thatwho/whom/thatwhich/thatwhich/thatwho/that第1頁，共14頁。1. 引導定語從句。2. 代替先行詞。3. 在定語從句中擔當一個成分。關系詞的三個作用:確定關系代詞的步驟1.先找先行詞，2.看先行詞指的是人還是物。3.看關系詞在從句中充當的成分。第2頁，共14頁。where、when、 why 引導的定語從句第3頁，共14頁。The room is comfortable (舒適). I live in the room.The room whe

3、re I live is comfortable which關系詞where代替地點，相當于“介詞+which”，在從句中充當狀語。in 第4頁，共14頁。對比：1、This is the farm we visited last week.This is the farm. We visited the farm last week.（作賓語）2、This is the farm we worked last week.This is the farm.We worked on the farm last week.（作狀語）解題關鍵：看引導詞在從句中充當的成分：作主語或賓語用that/wh

4、ich；作狀語用where。(thatwhich) where第5頁，共14頁。補充：1、當先行詞為point, situation, case, stage等表示模糊的地點時，定語從句的引導詞也可用where.I can think of many cases where the students know a lot of words but couldnt write a good essay.2、當先行詞為way時，定語從句用that/in which/不填引導。I dont like the way thatin which不填 you treat her.第6頁，共14頁。I wi

5、ll never forget the time. We worked on the farm during that time.I will never forget the time when we worked on the farm.during which關系詞when代替時間，相當于“介詞+which”，在從句中充當時間狀語。第7頁，共14頁。Oct.1,1949 is the day whenon which the PRC was founded.Oct.1,1949 is the day.The PRC was founded on the day.第8頁，共14頁。對比：1

6、、Do you remember the days we spent together?Do you remember the days?We spent the days together .（作賓語）2、Do you remember the days we worked together?Do you remember the days?We worked during the days together?（作狀語）解題關鍵：看引導詞在從句中充當的成分：作主語或賓語用that/which；作狀語用when。(thatwhich) when第9頁，共14頁。This is the reas

7、on.He was late for the reason.This is the reason why he was late.for which關系詞why代替reason(原因），相當于“for+which”，在從句中充當原因狀語。第10頁，共14頁。對比：1、I know the reason he gave you.I know the reason.He gave you the reason.（作賓語）2、I know the reason you failed.I know the reason.You failed for the reason.（作狀語）解題關鍵：看引導詞在

8、從句中充當的成分：作主語或賓語用that/which；作狀語用why。(thatwhich) why第11頁，共14頁。關系副詞的用法關系副詞指代先行詞是在從句中充當的成分when (=at/in/on /during which) where (=in/at which)why (=for which) 時間時間狀語地點地點狀語原因原因狀語關系副詞引導定語從句時，既引導定語從句，又在定語從句中充當狀語。第12頁，共14頁。3.I can still remember the sitting-room _ my mother and I used to sit in the evening.A. what B. which C. that D. where 第13頁，共14頁。4.I shall never forget those years _ I lived i