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1、Unit 6An old man tried to move the mountains.單元語法專題單元語法專題Grammar Focus連詞unless, as soon as, sothat1unless引導(dǎo)條件狀語從句,相當(dāng)于ifnot,在許多情況下二者可以互換。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從句本身是否定式,則unless不能用ifnot替換。(2)unless引導(dǎo)從句時(shí),句子要遵循“主將從現(xiàn)
2、”的原則。2as soon as 主要用來引導(dǎo)時(shí)間狀語從句,表示主從句的謂語動(dòng)作同時(shí)發(fā)生或幾乎同時(shí)發(fā)生。如:Ill ring you up as soon as I arrive in Beijing.3sothat意為“如此以至于”,其中so 是副詞,用來修飾形容詞或副詞。常見結(jié)構(gòu)有:(1)so形容詞/副詞that 如:He speaks so fast that I cant follow him.(2)somany/few復(fù)數(shù)可數(shù)名詞that 如:I have made so many mistakes that I cant pass the exam.(3)somuch/little
3、不可數(shù)名詞that 如:I have so little money with me that I cant buy anything.【拓展】在sothat句型中,當(dāng)主句的主語與that引導(dǎo)的從句的主語一致時(shí),“sothat肯定句”句型可與“enough to”句型互換;“sothat否定句”句型可與“tooto”句型互換。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 can
4、t dress herself.The girl is too young to dress herself.一、單項(xiàng)選擇。1(河北中考) Mom wont let Dick go out _ he promises to be back by 10:00 tonight.Aif Bwhen Csince Dunless2(宜賓中考)It is_ a beautiful garden _we like to play in it.Aso;that Bsuch;thatCtoo;to Dvery;thatDB3(呼和浩特中考)Ill go to visit my aunt in England
5、_ the summer holidays start.Awhile BsinceCuntil Das soon as4Tom is _ nervous_he cant talk in front of all the classmates.Asuch;that Btoo;toCso;that Denough;thatDC5May 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 asC
6、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.untilAs soon assounlesssuch三、按要求完成下列句子。11The box is
7、 so heavy that we cant carry it.(改為同義句)The box is _ heavy for us _ carry.12This years car exhibition was very special.It attracted many visitors.(合并為一句)This years car exhibition was _special _it attracted many visitors.13You never play well unless you practice more.(改為同義句)You never play well _ you _ practice more.tootosothatifdont14She was so clever that she worked out the math problem.(改為同義句)She was _ _ _ work out the math problem.15Please call me when you arrive in Xiamen.(改為同義句)Please call me _ _ _ you arrive in Xiamen.clever enough toas soon as