《《初中语法状语从句》ppt课件》由会员分享，可在线阅读，更多相关《《初中语法状语从句》ppt课件（48页珍藏版）》请在金锄头文库上搜索。
1、英语语法,状语从句,状语从句的分类,1.时间状语从句,按照引导词分类： When, while, as：当时，在的同时 When/As/While he was eating his breakfast, he heard the door bell. Since：自以来 It has been two years since I came to Beijing.,从句动词为非延续性动词 when The boy cried when he saw his mother. 从句动词为延续性动词 while, as , when均可 while强调“在的同时” as强调“伴随”的状态 Tom f
2、ell asleep while Jerry was giving a lecture,辨析：when / while / as,时间状语从句的破题方法,真题演练,（2007上海）He transplanted the little tree to the garden _ it was the best time for it. A. where B. when C. that D. until,扩展练习,（2008上海） Are you ready for Spain? Yes. I want the girls to experience that _ they are young. A
3、. while B. until C. if D. before,其他引导词： （1）until/till 延续性动词+肯定语气：到为止 例：Walk till you come to a white house. 非延续性动词+否定语气：到才开始 例：We didnt begin our discussion until he came back.,是是非非,真题演练,（2003上海）A good storyteller must be able to hold his listeners curiosity _ he reaches the end of the story. A. whe
4、n B. unless C. after D. until,扩展练习,（2000上海） My uncle _ until he was forty-five. A. married B. didnt get married C. was not marrying D. would marry,真题演练,（2006上海）A dozen ideas were considered _the architect decided on the design of the building. A. because B. before C. whether D. unless,辨析：两种since的句型,
5、（1）It be time since+非延续性动词 例：They have been friends since they met for the first time in London. 解释：主句的动作从since的那一刻持续到现在（有已经很长时间了）,（2）It be time since+延续性动词 例：I have lived in Beijing since I worked in Shanghai. 解释：主句的动作从since引导的从句中的持续性动作结束时持续到现在（没有已经很长时间了）,扩展练习,That was really a splendid evening. It
6、s been years _ I enjoyed myself so much. A. when B. that C. before D. since 1.逻辑推理：没有已经很长时间了 2. It be since+延续性动词选D,They _ friends since they met in Shanghai. A. have made B. have become C. have been D. have turned 1.since+非延续性动词主句的动作延续至今 2.选择四个选项中的延续性动词选C,2.条件状语从句,逻辑关系：假设 引导词： （1）假如：if, unless (if
7、not) 例：You will not pass the exam unless you work hard（你不会通过考试，除非你努力学习） = You will not pass the exam if you dont work hard（如果你努力学习，你就会通过考试）,（2）在条件下：in case, on condition that, provided (that), supposing, suppose (that), as long as 例: Providing I get my fathers permission, Ill go! （只要得到父亲的同意，我就去）,条件状
8、语从句题的破题方法,1. 读题，确认从句和主句 2. 分析从句和主句之间的逻辑关系（正面条件/反面条件） 3. 根据逻辑关系选择合适的引导词 正面条件：if, in case, on condition that, providing (that), supposing, suppose (that), as long as 反面条件：if not, unless,正面条件,真题演练,（2007上海）Small sailboats can easily turn over in the water _ they are not managed carefully. A. though B. b
9、efore C. until D. if,反面条件,扩展练习,（2007上海春季）_ there is a snowstorm or some other bad weather, the mail always comes on time. A. Because B. If C. When D. Unless,Wrap Up,3.让步状语从句,让步状语从句题的破题方法,真题演练,（2006上海春季）_ most of the earths surface is covered by water, fresh water is very rare and precious. A. As B.
10、Once C. If D. Although,扩展练习,（2008上海春季）_ this is only a small town, its crowded with tourists who come here all year round. A. Since B. Unless C. Once D. Although,表示“无论”的让步状语从句,真题演练,（2008上海）_well prepared you are, you still need a lot of luck in mountain climbing. A. However B. Whatever C. No matter
11、D. Although,Whatever way in which you prepare,No matter how well prepared you are,Although you prepare yourself very well,_, I have to put it away and focus my attention on study this week. A. However the story is amusing B. No matter amusing the story is C. However amusing the story is D. No matter
12、 how the story is amusing,真题演练,（2003上海） Dad, Ive finished my assignment. Good, and _ you play or watch TV, you mustnt disturb me. A. whenever B. whether C. whatever D. no matter,Whatever you do.,No matter what you do.,Wrap Up,4.原因状语从句,真题演练,（1999上海） _ everybody knows about it, I dont want to talk any
13、 more. A. For B. Even C. Since D. However,5. 目的状语从句,解释主句动作发生的目的,真题演练,（2000上海）I shall stay in the hotel all day _ there is news of the missing child. A. in case B. no matter C. in any case D. ever since,扩展练习,（2008上海春季）Please remind me of the meeting again tomorrow _ I forget. A. though B. so that C.
14、in case D. until,6. 结果状语从句,说明主句动作发生产生的结果,so.that,句型归纳： so + adj./adv. + that The problem was so complicated that it took them an entire week to figure it out. so + adj. (+ a/an) + n. + that There is so rapid an increase in market supply that the price starts to fall.,such.that,句型归纳： such (+ a/an) (+
15、adj.) + n. +that Most people go after pleasure in such a hurry that they hurry past it.,真题演练,（2007上海）Pop music is such an important part of society it has even influenced our language. A.as B.that C.which D.where,综合练习,These houses are sold at such a low price_ people expected.(2000春上海) A. like B. as C. that D. which,辨析,Key：看空格后的句子成分是否完整,As a teacher, I seldom give my students so difficult a problem as they can not work out. As a teacher, I seldom give my students so difficult a problem that they can not
