非限定和限定从+P43.ppt

The mooncake that has egg in it is the mooncake which I like best. ----- The mooncake is the mooncake. 不成立 大多数定语从句是限定/制性定语从句。 一、相同之处 当从句位于主句之后，引导词指代整个主句所表达的全部意义时，as 和which有时可以互换。 1) The elephants trunk is like a snake, as/which everybody can see. 2) He is an Englishman, as/which I know from his accent. 3) A big earthquake occurred in the west part of Japan last night, as/which was reported on TV. 在从句中作主语时，which既可作系动词 be的主语, 也可作实义动词的主语; 而as作系动词be 的主语。 He married her, which was natural. (可用as代替which) He saw the girl, which delighted him. (不可用as代替which) He was late for class again, which made the teacher very angry. (不可用as代替which) 二、 不同之处 as引导非限制性定语从句时，位置比较灵活可位于主句之前，也可位于主句之中或之后，而which引导的非限制性定语从句只能位于主句后不能位于主句之前。另外，as有“正如…，正像…”的意思. 3. Dorothy was always speaking highly of her role in the play, ____, of course, made the others unhappy. ( NMET2000) A. who B. which C. this D. that 4 Willma became the first American woman to win three Olympic gold medals in track, ____ made her mother very proud. A. it B. that C. which D. this 5. He’s got himself into a dangerous situation ____ he is likely to lose control over the plane. A. where B. which C. while D. why 6. Great changes have taken place in that school. It is no longer _____ it was 20 years ago, _____ it was so poorly equipped. （安徽） A．what; when B. that; which C．what; which D. which; that 10. The place _____ the bridge is supposed to be built should be____ the cross-river traffic is the heaviest.(2005江苏) A. which; where B. at which; which C. at which; where D. which; in which Homework Finish the exercises on workbook. Do more exercises about the Restrictive and Non-Restrictive Attributive Clause. Prepare for the next class