课件72张PPT。一、连词 考点一 并列连词 并列连词归纳[考题印证] (2012·课标全国卷)You have to move out of the way _____ the truck cannot get past you. A．so B．or C．and D．but [解析] 根据句意判断应选用or，表示“否则”。句意：你得让开道，否则，卡车不能够从你身边开过去。 [答案] B考点二 时间状语从句 1．表示时间的状语从句可以由when，whenever，as，while，before，until，ever since，as soon as 等词引导。[考题印证] Mary made coffee _____ her guests were finishing their meal. A．so that B．although C．while D．as if [解析] 句意：当客人们快用完餐时，玛丽泡了咖啡。while“当……时”引导时间状语从句。从句中were finishing进行时表示将来。so that引导目的状语从句和结果状语从句；although引导让步状语从句；as if引导方式状语从句或在look，seem等系动词后引导表语从句。 [答案] C2．名词词组引导时间状语从句：every/each time 每一次；the moment/minute 那时(一……就……)；the first/second time 第一/二次；the last time 最后一次；the day 那一天；the week 那一周等。 3．as soon as，instantly，directly，immediately 等表示从句动作一发生，主句动作随即发生，通常意为“一……就……”，也可引起表示时间的状语从句。4．no sooner...than 和hardly...when 引导的从句表示“刚……就……”。主句中的动词一般用过去完成时，从句用过去时。若把no sooner，hardly 提到句首，主句须倒装。[考题印证] As is reported，it is 100 years _____ Qinghua University was founded. A．when B．before C．after D．since [解析] It be＋一段时间＋since从句：自从……，已多久了。且since所在的从句一般用过去时，主句用一般现在时或现在完成时。before常用在It will be some time/won't be long before...结构中，表示“要过多长时间才/用不了多久就……”。 [答案] D考点三 条件状语从句 条件状语从句由if (如果)，unless (除非)，in case (万一)；so (as) long as (只要)，on condition that/on one condition (以……为条件)等词引导。如果主句是将来时，条件状语从句要用一般现在时表示。[考题印证] _____we are alive，we can make it through this natural disaster. A．Even if B．As soon as C．As if D．So long as [解析] 根据句意可看出“make it through this natural disaster”是以“we are alive”为条件的，所填连词要能引导条件状语从句。故选D。 [答案] D考点四 原因状语从句 原因状语从句常用because，since，as，for 引导，还可用seeing that (既然)，now that (既然)，considering that/who/how...(考虑到……)，in that (因为)，not that...but that (不是因为……而是因为)等引导。[考题印证] (2012·重庆卷)—Coach，can I continue with the training? —Sorry，you can't _____ you haven't recovered from the knee injury. A．until B．before C．as D．unless [解析] until和before用来引导时间状语从句；as引导原因状语从句；unless引导条件状语从句；根据第二句可知，为原因状语从句。句意：———教练，我能继续训练吗？———对不起，你不能，因为你膝盖上的伤还没痊愈。故选C项。 [答案] C考点五 让步状语从句 让步状语从句由though(although)，even if(even though)，no matter how/where/what...，whatever，however，whoever 等引导。[考题印证] (2012·湖南卷)_____ I always felt I would pass the exam，I never thought I would get an A. A．While B．Once C．If D．Until [解析] 句意 ... ...
