casesituationconditionstagepointposition引导的从句PPT优秀课件.ppt

case, situation, condition, stage, point, position 等作先行词引导的定语从句1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 A分析分析：定语从句引导词where在句子中作状语，表示“在此情况下”，还可以用in which替代句子意思是：他使自己身临险境，——（在这种情况下）他很可能失去对飞机的控制situation在句中是“情境、情况”的意思，译为：in this situation此处where=in which2 当situation（情境、情况），condition(s)（条件、状况），case（情形、案例），stage（阶段），point（点、程度），position（位置），places（地方）等作先行词时，后面的定语从句引导词有如下两种情况： 1. 作主语或宾语；2. 作状语3(1).引导词在从句中作主语或宾语时，引导词用which/that，作宾语时，引导词可以省略。

Worrying never helps in a situation (that/which) you can’t change.对于你无法改变的的状况，发愁于事无补引导词在句子中作宾语）4(2)引导词在从句中作状语时，引导词可用where或介词+which e.g. I can think of many cases _____ students obviously knew a lot of English words and expressions but couldn’t write a good essay. A. why B. which C. as D. where D分析分析：我能想起很多这样的情形：（在这些情形中）学生们显然认识很多英语单词和短语，却写不出一篇优美的短文此题中定语从句引导词在句中作状语51. They developed their friendship to a stage ____________ they often shared sorrow and happiness. 他们的友谊已经发展到同甘共苦的地步。

2. The police are looking into a case ____________ the suspect is a cat.警察正在调查一个案子，案中的嫌疑犯是一只猫.where/ at whichwhere/ in which61. In an hour, we can travel to places _____ would have taken our ancestors days to reach. (2006上海) A. where B. when C. which D. what 当堂练习当堂练习 C72.----Do you have anything to say for yourself? (2006江西)--Yes, there is one point ____ we must insist on. A. why B. where C. how D. /3. He has to face the condition ______ the pressure was heavy. A. which B. where C. how D. why DB8常见的介词搭配at this stage, at this point,in this situation, in …position,in/under…condition(s), in this case,9。