Unit6Grammar连词课件-人教版英语八年级下册

unless,assoonas,so...that...引导的状语从句Unit6-Grammar

连词so...that...,unless和assoonas连词是连接词、短语或句子，表逻辑关系的虚词。“so...that...”表因果(如此……以至于……);“unless”表条件(除非);“assoonas”表时间(一……就......)。连词so...that...,unless和assoonasso...that...

引导结果状语从句Pointso...that...引导结果状语从句,表示“如此……以至于……”的逻辑关系。它强调主句中的某种程度或状态导致了一个明确的结果。结构：so+形容词/副词+that结果状语从句。·

Themathproblemisso

difficultthatnoonecansolveit.这道数学题如此难，以至于没人能解出来。·HeransofastthatIcouldn’tcatchup.他跑得如此快，以至于我追不上。句型转换

Point

Thegirlissoshortthatshecan'treachthetop.=Thegirlistooshorttoreachthetop.=Thegirlisnottallenoughtoreachthetop.so...that...可与too...to...或(not)...enoughto...互换

（从句为否定句时常用）辨析：so...that...与such...that...so...that...so+形容词/副词

+thatsuch...that...such+名词+thatThegreetingisso

politethateveryonelikesit.Waterissuchanimportantsubstancethatwecannotlivewithoutit.

拓展:当so位于句首时，主句需部分倒装。Soangrywasshethatsheleftwithoutaword.辨析：so...that...与such...that...⚠重要提醒：当名词前有many,much,few,little

（表示“多多少少”的形容词时），要用so...that...的结构。即：so+many/much/few/little

+名词+that从句TherearesomanyapplesthatIcan'teatthemall.苹果大多了,我吃不完。连词sothat引导的状语从句Pointso

that意为"为了，以便"，引导目的状语从句，一般放在主句后,且不用逗号隔开,相当于

inorderthat,从句谓语中多含有can,could,may,might等情态动词。

Igaveyouamapsothat(=inorderthat)youwouldn'tgetlost.

IhopetobringerhutotheworldsothatmorepeoplecanlearnabouttraditionalChinesemusic.连词sothat引导的状语从句Pointso

that还可引导结果状语从句,意为"因此,所以"。从句谓语中通常不含情态动词。Themoviewasboringsothathalfoftheaudiencewasasleep.这部电影太无聊了，所以一半的观众都睡着了。连词sothat引导的状语从句Pointso...that...

如此......以至于......that引导结果状语从句

sothat为了，以便sothat引导目的状语从句从句含有情态动词

sothat因此，所以sothat引导结果状语从句从句含无情态动词so…that的用法Pointso…that

意为“如此……以至于……”,that引导结果状语从句。结构：so+adj./adv.+that

从句Heisso

tall

thathecanreachthebookontheshelf.易错点：so后不能加名词；名词要用such…thatso…that可和too…to…/enoughto…互相转换（从句为否定句时常用）

TheboxissoheavythatIcan’tcarryit.=Theboxistooheavyformetocarry.=Theboxisn’tlightenoughformetocarry.so…that小试牛刀（单句填空）用so/such…that填空，注意结构规范1.Thepartyis_______interesting_______everyoneishappy.（so/such）2.It’s_______apolitegreeting_______weallreplytoit.（so/such）3.Shespeaks_______softly_______noonecanhearher.（so/such）4.Theyhave_______muchfood_______wecan’tfinishit.（so/such）sothatsuchthatsothatsothatunless引导条件状语从句Pointunless=if...not...引导条件状语从句，表示“除非……,如果不……”。它通常用于表达一种否定的条件，从句表条件，主句表该条件下的结果。

结构：主句+unless+从句

或

unless+从句,+主句

时态规则：主将从现注意：unless本身表否定，从句中不可再加not（避免双重否定）InTürkiye,peopledon'tkissoneanotherunlesstheyaregoodfriends.Iwon'tletyougounlessyoutellmethetruth.unless小试牛刀（单句填空/改写）1.Youcan’tusehispen_______heagrees.

2.Don’ttouchthethings_______theownerallowsyou.

3.改写：Youcan’tgooutifyoudon’tfinishyourhomework.（用unless）________________________________________4.改写：Unlessyoustudyhard,youcan’tpassthetest.（用if…not）________________________________________unlessunlessYoucan’tgooutunlessyoufinishyourhomework.Ifyoudon’tstudyhard,youcan’tpassthetest.assoonas引导时间状语从句assoonas

引导时间状语从句，表示“一……就……”的时间关系。即主句的动作在从句的动作发生后立即发生。

结构

：主句+assoonas+从句。或

assoonas+从句,+主句。

时态规则：1).主将从现

2).时态的一致性

主句和从句的时态需保持逻辑一致，通常主句用将来时，从句用现在时；但也可以根据语境使用其他时态。Assoonasthebellrings,thestudentswillrushout.=Thestudentswillrushoutassoonasthebellrings.Hecriedassoonashesawhismother.他一见到妈妈就哭了。Point易混淆点与高频考点速记Point1.sovssuch•so+adj/adv

•so+many/much/few/little+n.

•such+n.2.“主将从现”适用范围•条件状语从句(if,unless,aslongas)

•时间状语从句(when,assoonas)3.常用句型转换•so...that=too...to...

•so...that=not...enoughto...

•unless=if...not4.逻辑关系记忆•unless(除非)=条件否定

•assoonas(一...就...)=动作紧凑

Atthemeeting,themanagerskeptarguingabouttheproblemtheyreachedanagreement.A.afterC.untilB.whenD.since1.Practiceisveryimportant.Youwillforgetthenewwords

youoftenusethem.A.whenB.unlessC.ifD.until2.-HaveasafetriptoHangzhou,mydear!-OK,Dad.I'llgiveyouacall

Iarrivethere.A.untilB.sothatC.assoonasDunless3.-CouldyoupleasehelpmegivethebookbacktoSusan?-Sure.Iwilldothat

Iseeherthisafternoon.A.assoonasB.unlessC.asmuchasD.untilBCCAtthemeeting,themanagerskeptarguingabouttheproblemtheyreachedanagreement.A.afterC.untilB.whenD.since4.Wecantgoswimming

ourparentsarewithus.A.ifB.whenC.unlessD.aslongas5.-What'syourplanforthesummerholiday?-I'llgotoChengdutheschoolterm.A.endB.endsC.willendD.ended6.Davidis

creative

healwayscomesupwithnewideas.A.enough;toB.too;toC.such;thatD.so;that7.

heheardthelittlegirlcryingforhelpoutside,herushedoutoftheroom.A.AssoonasB.UnlessC.IfD.AlthoughCBDAAtthemeeting,themanagerskeptarguingabouttheproblemtheyreachedanagreement.A.afterC.untilB.whenD.since用所给动词的适当形式填空1.Assoonashe_______(reach)thestation,he_________(call)me.2.TheroomissodirtythatI_______(want)tocleanitatonce.3.Unlesswe_______(hurry)up,we_______(be)lateforthemeeting.4.Assoon