八年级英语下册unit6anoldmantriedtomovethemountains语法专题_grammarfocus习题课件新版人教新目标版

Unit 6 An old man tried to move the mountains.,八年级下册英语（人教版）,单元语法专题Grammar Focus,连词unless, as soon as, sothat 1unless引导条件状语从句，相当于ifnot，在许多情况下二者可以互换。如： You will fail in the exam unless you work hard. You will fail in the exam if you dont work hard. 【注意】(1)如果unless从句本身是否定式，则unless不能用ifnot替换。 (2)unless引导从句时，句子要遵循“主将从现”的原则。,2as soon as 主要用来引导时间状语从句，表示主从句的谓语动作同时发生或几乎同时发生。如： Ill ring you up as soon as I arrive in Beijing.,3sothat意为“如此以至于”，其中so 是副词，用来修饰形容词或副词。常见结构有： (1)so形容词/副词that 如： He speaks so fast that I cant follow him. (2)somany/few复数可数名词that 如： I have made so many mistakes that I cant pass the exam. (3)somuch/little不可数名词that 如： I have so little money with me that I cant buy anything.,【拓展】在sothat句型中，当主句的主语与that引导的从句的主语一致时，“sothat肯定句”句型可与“enough to”句型互换；“sothat否定句”句型可与“tooto”句型互换。如： He was so clever that he could understand what I said.He was clever enough to understand what I said. The girl is so young that she cant dress herself. The girl is too young to dress herself.,一、单项选择。 1(河北中考) Mom wont let Dick go out _ he promises to be back by 10：00 tonight. Aif Bwhen Csince Dunless 2(宜宾中考)It is_ a beautiful garden _we like to play in it. Aso；that Bsuch；that Ctoo；to Dvery；that,D,B,3(呼和浩特中考)Ill go to visit my aunt in England _ the summer holidays start. Awhile Bsince Cuntil Das soon as 4Tom is _ nervous_he cant talk in front of all the classmates. Asuch；that Btoo；to Cso；that Denough；that,D,C,5May I go to the science museum with you next Saturday? You cant _ you have a ticket.I have only one ticket. Aif Buntil Cunless Das soon as,C,6He didnt go to bed _ his mother came back. 7_ he saw her，he fell in love with her. 8She is _ beautiful that everyone likes her. 9My daughter wont eat dumplings _ she is very hungry. 10It is _ important news that everyone listens to the radio carefully.,until,As soon as,so,unless,such,三、按要求完成下列句子。 11The box is so heavy that we cant carry it.(改为同义句) The box is _ heavy for us _ carry. 12This years car exhibition was very special.It attracted many visitors.(合并为一句) This years car exhibition was _special _it attracted many visitors. 13You never play well unless you practice more.(改为同义句) You never play well _ you _ practice more.,too,to,so,that,if,dont,14She was so clever that she worked out the math problem.(改为同义句) She was _ _ _ work out the math problem. 1