Why does the girl stay at home? (提示词：rain),Why does the crow drop stones into the bottle? (提示词：drink water),Why do we like listening to him sing songs? (提示词：sing songs listen to),知识梳理（1）,原因状语从句的连接词,since,Because,as,for,并列句只提供一些辅助性的补充说明,because表示直接原因，语气最强,表示附带说明的“双方已知的原因”，语气比since弱,一般放于主句之前表示已知的、显然的理由,原因状语从句的区别,1.,I didnt go, because I was afraid.,2.,Since /As the weather is so bad, we have to delay our journey.,3.,He must be ill, for he is absent today.,4.,Now that everyone is here, lets begin our meeting.,原因状语从句的区别,语气最强,对方已经知晓,解释或说明前面一句的情况,“既然“，与since同义,1,The man cant get on the bus _ there is no room on it. A. though B. because C. until D so that,2,_ youve got a chance, you might make full use of it. A. Now that B. After C. Although D. As soon as,3,_ we have come, lets stay and enjoy it. A. For B. As C. Because D. Since,4,He found it difficult to read, _ his eyesight was beginning to fail. A. and B. for C. but D. or,Since,For,原因状语从句,Because,As,其他。,注：要根据语势的强弱以及与结果的紧密关系程度选词。从强到弱依次是：Because, Since, As, For.,1）原因状语从句的概念和用法 2）Because, Since, As和For的用法区别,1. 复习精讲提升部分的内容; 2. 请在规定时间内完成讲义中的课后巩固部分。,看图讲故事，可以根据所给的提示词来讲故事，下节课分享给大家。（二选一）,提示词：under，frog，bird，on the well,提示词：frog; under the well, on the well; the turtle,