Unit 2 Developing ideas 语言重难点 课件- 高中英语外研版（2019）选择性必修第一册.pptx

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1、,Unit 2 语言重点,新外研版（2019）-高中英语 -选择性必修一, 课文原句 难点剖析 拓展提升 ,Unit 2 Onwards and upwards,Only 引导的倒装句,新外研版（2019）-高中英语 -选择性必修一,01,虚拟语气,Sentence,教材P20 I have often thought it would be a blessing if each human being were stricken blind and deaf for a few days at some time during his early adult life.我常常想,如果每个人在

2、青年时期都失明、失聪几天,这或许是一件幸事。,02,剖析知识点,03,画线的句子使用了虚拟语气，表示与现在事实相反的假设。If 条件句的谓语动词be改为were，其对应的主句的谓语动词形式是“would+动词原形”，主句是“it would be.”,从句“if each human being were stricken”,归纳拓展：,02,03,01,例句赏析：,He wouldnt feel so cold if he stayed indoors.他要是待在室内就不会觉得这么冷了。(与现在事实相反)If we hadnt made adequate preparations, the

3、conference wouldnt have been so successful.如果我们没有做充分的准备,这次会议是不会开得这么成功的。（与过去事实相反)-Is Anne coming tomorrow?安妮明天会来吗?-If she were to come, she would call me她如果要来的话,就会打电话给我。（与将来事实情况相反),02,03,02,巩固练习：,02,03,03,单句语法填空（1）If the new safety system _(put) to use ,the accident would never have happened.(2) If i

4、t ( rain) tomorrow, I wouldnt go to the party. (3) 如果我比现在年轻三岁,我会强烈建议自己设定更多可行而具体的目标。_,I would stongly recommend that I set more practical and specific goals.,新外研版（2019）-高中英语 -选择性必修一,02,部分倒装,Sentence,教材P12 Only when darkness had again descended upon me should I realize how much I had left unseen.只有当黑暗

5、再次降临时,我才意识到,我还有那么多没有看到。,02,句中only放至句首,后面有一个时间状语从句,主句要用部分倒装。正常语序：I should realize how.only when darknessupon me.,剖析知识点,03,归纳拓展：,02,03,01,在英语中，“only+状语(从句)“位于句首，句子(主句)要用部分倒装结构，即把(主)句中的助动词、情态动词或be动词提到(主句)主语前面。only强调状语。Only then did I realize the mistakes I had made.到那时我才意识到我所犯的错误。Only after I had read

6、the poem a second time did I makesense of it.我又读了一遍这首诗之后才理解了它的含义。,only+状语(从句)“位于句首引起的部分倒装,特别提醒：,02,03,02,（1）only所修饰的状语可以是副词、介词短语,也可以是状语从句,如果only修饰的是状语从句,要记住主句倒装,从句不倒装。Only when a child grows up can he understand his parents intentions.孩子只有长大了才会明白父母的用意。（2）only修饰主语时,不用倒装结构。Only he can answer the quest

7、ion.只有他能回答这个问题。,归纳拓展：,(1)含有否定意义的副词或连词放于句首时,要把助动词、情态动词或连系动词置于主语前,如never, not, little, seldom, hardly, nor, not until等。(2)在 no sooner.than.,和 hardly.when.引导的句子中, no soonerhardly 放于句首时,所在句子用倒装句且常用过去完成时。(3) not only. but also.连接两个句子时,not only后的句子要用倒装,而 but also后的句子不用倒装。,02,03,03,完成下列句子：,（1）直到1918年,爱因斯坦才能自由自在地进行研究工作。 Einstein do his research freely.（2）只有当他回来时,我前弄明白丁事情的真相。 we find the truth.,02,03,04,Thank you！,课件持续更新中，敬请期待！,