Unit 4 Earthquake學案
例：
which i bought yesterday.
1) this is the book which he borrowed from the library.
which mary lost last week.
which i like best.
who is the first one on the left in row 2?
2) do you know the boy/ girl who is wearing a cap?
who spoke just now?
who is taking pictures?
2、定語從句所涉及的兩個專用名詞
a. 先行詞：被定語從句所修飾的名詞/ 代詞或句子。通常在關系詞的直接前面。
b. 關系詞：引導定語從句的詞。
3、關系詞的二重性
性質1：關系詞可以代替先行詞，故被其替代后的先行詞在從句中不再出現。
性質2：關系詞可以在從句中充當主語、賓語或狀語三大成分（whose除外）。
例句呈現：
1) he is the man who/ whom i saw last night.
2) yesterday emily was wearing the new dress that/ which i gave her.
3) a plane is a machine that can fly.
4) the gifts that/ which were sent to jack were expensive.
5) the teacher whom you are waiting for is coming.
探究：
1) 用“△”劃出先行詞。用“___”劃出關系詞。
2) 你能看出關系詞在從句中的成分嗎？請用“∧”標明它在句中的位置。
3) 關系詞分為關系代詞和關系副詞，它們是按什么標準劃分的？
三、結構: 先行詞+從句
四、關系詞呈現：
參閱課本p90-p91,分類列舉關系詞
關系代詞 指人：________、________、________、__________.
指物：________、________、__________.
關系副詞：________、________、__________.
第二部分：訓練案
五、應用
1、請同學們用“△”、“___” 、“∧”標出下列各句中的先行詞、關系詞以及關系詞在從句中應該處的位置。
1) a huge crack that was eight kilometers long and thirty meters wide cut across houses, roads and canals.
2) the number of people who were killed or injured reached more than 400,000.
3) another big quake which was almost as strong as the first one shook tangshan.