定语从句(_)探讨.ppt

一. 定语从句的基本定义 二. 关系词的分类 who, whom that whose 2. 关系代词用法注意点(1)只能用that不能用which的5种情况 (2)用who不用that的情况 (3)whose引导的定语从句注意点 (4)从句中的谓语动词与先行词保持一致 巩固练习1：用定语从句合并句子 六. 1. 非限制性定语从句的定义 2. 限制性定语从句与非限制性定语从句的区别 3. as/which引导非限制性定语从句的区别 用关系副词where时，先行词指地点，where在定语从句中作地点状语，where可换成“介词+关系代词”。如： This is the farm where (= on which) we worked when we were young. The school where (= in which) his mother teaches is in the west of the city. 2. where 2. where 用关系副词why时，先行词指原因，why在定语从句中作原因状语，why可换成“介词+关系代词”。如： There are several reasons why (= for which) the boys should be punished. Tom couldn’t give the teacher the reason why (= for which) he was late for school. 3. why 3. why 4. 关系副词的用法注意点 (1)当先行词为time，表示“次数”时，应用关系词that 或省略。如： This is the first time (that) the president has visited the country. (2)当point, situation, case等词作先行词表示“情况，境地，场合”等意思时，其后常由where引导定语从句，where在句中作状语。如： Can you think of a situation where this phrase can be used? 4. 关系副词的用法注意点 巩固练习：用适当的关系词填空 1) October 1, 1949 was the day______ (__ ______) China was founded. 2) Beijing is the place ______ (____ ______) I came.  3) Is this the reason ____ (___ _____) he didn’t want to see me? when on which where from which why for which 巩固练习：用适当的关系词填空 4) Is this the room ______(__ ______) we were living last winter? 5) The days are gone _____ (______ ______) we used “foreign oil”. 6) Yesterday, we had a meeting ______ (__ ______) we discussed many problems. where in which when during which at which where 对比练习：用适当的关系词填空 1. The room ___________________ he once lived is still there. The room ___________________ I have to clean every day belongs to my mother. where/in which (that/which) 对比练习：用适当的关系词填空 2. I will never forget the day_______________ I met you. I will never forget the day ______________ we spent together. when/on which (that/which) The reason _____________ I don’t know is known to him. (that/which) why/for which 3. The reaso