2019春八年级英语下册Unit6Anoldmantriedtomovethemountains语法专练课件（新版）人教新目标版.pptx

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1、Unit 6 An old man tried to move the mountains.,状语从句 状语从句在复合句中修饰主句中的谓语动词、形容词或副词。状语从句一般由从属连词引导。从句位于句首或句中时通常用逗号与主句隔开,位于句尾时可以不用逗号隔开。状语从句分类如下:,本单元着重介绍了以下三种状语从句。 1.unless引导的条件状语从句。 unless意为“如果不;除非”,相当于if.not。例如: Well go to the town unless it rains tomorrow.=Well go to the town if it doesnt rain tomorrow.假

2、如明天不下雨,我们就去城里。 注意:unless和if引导条件状语从句时,从句用一般现在时表示将来,而主句则用一般将来时,即遵循“主将从现”原则。 2.as soon as引导的时间状语从句。 as soon as意为“一就”,表示从句和主句的动作先后发生,间隔短暂。例如: The students became quiet as soon as the teacher came in.老师一进来,学生们就安静下来了。,注意:在条件状语从句和时间状语从句中,也可遵循“主将从现”原则。例如: Ill call to you as soon as I get there.我一到那里就给你打电话。

3、3.so.that.引导的结果状语从句。 so.that.意为“如此以至于”,其中so后接形容词或副词,也可用few,little,many,much等来修饰名词表示程度,that后的从句表示结果。例如: He was so happy that he forgot the time.他太高兴了,以至于忘了时间。,.单项填空 ( D )1.Anna was sad she didnt want to eat anything. A.too;to B.such;that C.enough;to D.so;that ( B )2.Did you win the game yesterday? No

4、t really. we all tried our best,we lost it. A.If B.Though C.Unless D.But ( C )3.Its a good habit to wash your hands you have meals. A.unless B.while C.before D.when,( A )4.Last night,the shop was closed she didnt buy any chocolate. A.so B.if C.or D.when ( D )5.Ill go to visit my aunt in England the summer holiday starts. A.while B.since C.until D.as soon as,