中考英语语法复习系列之状语从句(时间状从与条件状从)课件

这是一份中考英语语法复习系列之状语从句(时间状从与条件状从)课件，共20页。PPT课件主要包含了时间状语从句， 用法， 分类，条件状语从句，两个动作发生了吗，一般现在时，一般将来时，主情从现，主祈从现，意为“如果”等内容，欢迎下载使用。

He eats a hamburger every day.He eats a hamburger when he ges hme every day.
此句时间状语为every day.
此处时间状语由一个句子充当，故称时间状语从句
2.当……时候：when, while, as（1）when+延续性/非延续性；但when不可用于主句从句都为进行时的句子，例：①When my mum was cking dinner, I arrived hme. （延续性动词）②Dad was watching TV when I arrived hme. （非延续性动词）
（2）while+延续性；while还可表对比，例: ①While I was sleeping, a thief brke in. = A thief brke in while I was sleeping. ②My mther was watching the Suth Krean TV sap, while my brther was playing games. (两者动作进行对比)
（3） as强调从句和主句中两个动作交替进行或同步进行；还可表“作为…”例: ①Taylr Swift sang as she went alng. ②As he grew lder, he became mre intelligent.③As a man, yu shuld take care f yur family. （作为...）
2. until直到…例：I wn’t leave here until yu prmise t g shpping with me this weekend. (nt…until… +短暂性动词，翻译为直到...才)I will stay here until yu prmise t g shpping with me this weekend.（持续性动词）
If it desn’t rain tmrrw, we will g n a picnic. 如果明天不下雨，我们将要去野餐。
定义：由句子充当条件状语(前提条件)
If he cmes t the party, I’ll call yu.如果他出席派对，我将会打电话给你。
If he cmes t the party, I’ll call yu.从句( )主句( )
条件状语从句，时态上一般遵循--主将从现
适用主将从现的词还有： unless除非, until直到, as sn as一……就, as lng as只要，例：I wn’t g t sleep until my dad cmes hme.As sn as my dad cmes hme, I will g t sleep.As lng as my dad cmes hme, I will g t sleep.
unless = if… nt...例: （1）Let's g ut fr a walk unless yu are t tired.（2）If yu are nt t tired, let's g ut fr a walk.
在谈论将来可能出现的情况时，主句还可以是含有其他情态动词的句子或者是祈使句。We may g ut if it's fine tmrrw.如果明天天气好的话，我们可能会出去。Please call me if yu g shpping next Sunday.如果下周日你去购物，请给我打电话。
if 引导的条件状语从句和宾语从句的差别：1. I‘ll tell yu abut it if yu cme. (条件状语从句) 如果你来，我就告诉你关于它的情况。2. I dn’t knw if he will help me. (宾语从句) 我不知道他是否会帮助我。
时态受主句谓语动词影响
【例1】If yur friend ______，I'll tell B.will cme C.cmes D.are cming【例2】I want t knw if they______ B.will cmeC.cmes D.came
解析：此为条件状语从句，时态遵循主将从现，答案选择C。
解析：此为宾语从句，时态主现从不限规则，从句中有tmrrw,故为一般将来时，答案选择B。
1.Yu can’t get gd grades ________ yu wrk hard frm nw n.A. afterB. unlessC. whileD. since2.She will sing a sng ________ she is asked.A. ifB. unlessC. frD. since3.---D yu knw when the teacher ________ back tmrrw? ---Srry, I dn‘t knw. If he ________ back, I’ll tell yu at nce.A. cmes; cmesB. cmes; will cmeC. will cme; cmesD. will cme; will cme4.I wn’t believe that the five-year-ld by can read magazine _________ I test him myself.A. ifB. whenC. afterD. until5.While she ________ TV in the sitting rm, the bell________.A. watches; ringsB. is watching; rangC. was watching; rangD. watched; was ringing
完成句子。1.假如你不从现在开始努力学习，你的一生都会感到遗憾。 Yu ____________ ____________ ashamed all yur life if yu ____________ ____________ hard frm nw n.2.昨晚我直到完成任务才从办公室出来。 Last night I ________ ________ ut f the ffice ________ I ________ the task.3.如果你现在不出发，你就会错过末班车。_________yu dn’t leave nw, yu __________________ the final bus.4. 除非他放弃比赛，不然他肯定会获奖。He is sure t get a prize _________ he __________________ the cmpetitin.
will feel
didn’t cme until finished
If will miss
unless gives up