初三英语教案:宾语从句.pdf
初三英语教案:宾语从句一、教学目标教学目标(一)了解宾语从句的定义和结构(二)掌握宾语从句的引导词及其用法(三)注意宾语从句中时态,语序。二二、教学重点:教学重点:1.1.宾语从句的概念宾语从句的概念 2.2.宾语从句的引导词宾语从句的引导词 3.3.宾语从句中的语序宾语从句中的语序 4.4.宾语从句的时态变化宾语从句的时态变化三、教学难点:教学难点:1.if 1.if 与与 whetherwhether 的区别的区别 2.when 2.when 与与 ifif 引导的宾语从句和状语从句引导的宾语从句和状语从句 3.3.宾语从句与简单句的互换宾语从句与简单句的互换四、教学方法:讲解,练习。四、教学方法:讲解,练习。五、教学辅助:多媒体教学辅助:多媒体六、教学步骤六、教学步骤 1 1 导入导入 2 2 新知呈现新知呈现 A A由 that 引导的宾语从句,连词 that 只起连接作用,在从句中不做句子的成分,也无词汇意义,通常可省略例:We know(that)we should study hard.注意事项注意事项:在以下情况中在以下情况中 thatthat 不能省略不能省略1)当句中的动词后接两个或两个以上由that 引导的宾语从句时,第一个that 可省,但后面的 that 不可省。例句:He said(that)you were too young to understand the matterand that he was asked not to tell you.2)当 that 从句是双宾语中的直接宾语时,that 一般不可省略。例句:I cant tell him that his mother died.B B由连词 if、whether 引导的表示“是否”的宾语从句。whether,if 在从句中不做句子的成分,一般情况下,whether 和 if 可以替换。例:I dont know if/whether he will come tomorrow.The teacher asked if/whether we had finished the experiment.注意事项注意事项:在以下情况中只能用在以下情况中只能用 whetherwhether1)在介词后面的宾语从句中不用 if 引导例:Everything depends on whether we have enough money。2)宾语从句中有 or not 时不用 if 引导.例:I dont know whether the movie star will come or not.3)和不定式连用作宾语时不用 if 引导.例:I dont know whether to stay here for dinner.4)whether 放句首时不用 if 引导例:Whether they will join us in the picnic,I dont care.C C由 wh-引导的宾语从句。连接代词 who,whom,whose,what,which,和连接副词 when,where,why,how 等连接的宾语从句,它们在句中即有连接从句的作用,又在句中充当句子的成分。例:You must take back what you said.(what 做宾语)I dont know where he lives.(where 做地点状语)宾语从句中需注意的问题宾语从句中需注意的问题 1)时态A主句是现在的时态,从句时态不受限制,并根据实际情况定。例:I hear(that)Tom will come back tomorrow.She says Jim went to work an hour ago.B主句是过去的时态,从句也要用过去的时态。例:He said(that)he had had supper already.He said(that)he was reading a book.C 如果从句说明的是客观存在的事实或真理,从句不受主句限制,一律用一般现在时。例:My father told me that no news is good news.He said(that)the sun is much bigger than the moon.2)宾语从句的语序宾语从句的语序必须是陈述语序,既连接词+主语+谓语+其他成分例:I believe that they will come soon.He asked me whether I was a teacher.I want to know who went there.3)标点符号由主句决定,不受从句限制。例:Do you know who he is?We believe we will win.4)在 think,believe,suppose,expect 等动词引起的宾语从句中,如果主句主语是第一人称,谓语尽管是否定意义,却不用否定形式,而将 think 等动词变为否定形式。例:I dont think you are right.(我认为你做的不对)5)宾语从句与简单句的交换。由连接代词和连接副词引导的宾语从句,如果宾语从句的主语和主句的主语是同一个人时,可以用“疑问词+不定式例:I dont know what I should do next.I dont know what to do next.He didnt know where he would live.He didnt know where to live.3 总结4 作业5 板书七、课后反思: