三年级下册英语知识点整理|高三下册英语知识点整理

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【#高三# 导语】高三学生很快就会面临继续学业或事业的选择。面对重要的人生选择,是否考虑清楚了?这对于没有社会经验的学生来说,无疑是个困难的想选择。如何度过这重要又紧张的一年,我们可以从提高学习效率来着手!®文档大全网高三频道为各位同学整理了《高三下册英语知识点整理》,希望你努力学习,圆金色六月梦!

高三下册英语知识点整理【篇一】


            虚拟语气在一些特殊词中的使用或含蓄条件句

  1.wish后的宾语从句。

  与现在愿望不一致,用主语十过去时,例如:

  I wi。hIwere you.

  与过去愿望不一致,用主语+had+过去分词,例如:Iwish I had visited the White House whenI was in the States与将来愿望不一致,用主语+would (could)+原形。

  2.It's time句型:当lt's tine后用that从句时应该为主i吾+should+动词原形或主语十过去时,例如:It,s time thatyou went to school.或It's time that you should go to schooL

  3- If only引起的感叹句相当于“How I wish+宾语从句”。

  (l)If only he could come.他要能来就好了。

  (2)If only I had known the answer.我要早知道答案就好了。

  4.WOuld rather,as if(though)引导的从句也需使用虚拟语气,表示过去的情况用过去完成时,表示现在与将来的情况用过去时,例如:

  (l)I'd rather you posted the letter right away.

  (2)She loves the children as if they were hers.

  5.含蓄虚拟条件句含蓄条件句是指句中没有明显的虚拟条件句,而是利用其他手段来暗示存在虚拟条件。但是这类隐含式虚拟条件句往往都可以转化为if引导的条件句。常用来表示含蓄虚拟条件的手段有:

  (1)介词或介词短语。如but for,but that,without,in case of, under more favorable condition等。

  (2)连词。如so that, unless, in case, supposing,lest, provided(倘若……),for fear that(唯恐),in orderthat, on condition that, if only(要是……就好了)等。

  注意:lest, for fear that和in case引起的从句中谓语动词多用should+动词原形,但也可以不用虚拟语气,而用动词的陈述语气形式。例如:The foreign teacher spokeslowly in case we misunderstood him这位外籍教师说得很慢以免我们误解。

  (3)通过上下文及内在含义,句中往往有but,otherwise, unfortunately等类似转折词。

  without, but. but for, otherwise引起的短语或句子常暗含着含蓄条件。例如:

  ①Without you,1 would never know him

  ②But for your oooperation, we wouldn't have done it

  ③But that she was afraid, she would have said no. .

  ④i would be most glad to help you, butI am busy now.

  ⑤I would have come to the party yesterday, but ljwas working.

  ⑥I am busy now, otherwise l would do you the favor!

高三下册英语知识点整理【篇二】


           用来作主语的句子叫做主语从句。如:

  (1)When he was born is unknown. 他生于何时还不知道。

  (2)What he did last night is being investigated. 他昨天晚上干了些什么正在调查之中。

  在主语从句中须注意:

  1. 主语从句一般用it作形式主语,放在句首,而将主语从句放到句末。如:

  (1)It is possible that he has stolen the car. 很可能他偷了小车。

  (2)Isn’t it strange that he should not have passed the test? 他测试没有通过,难道不奇怪吗?

  2. if引导主语从句时,只能用it作形式主语,放在句首,而将if引导的主语从句放到句末。如:

  It is uncertain if he will leave for Beijing tomorrow. 明天他是否去北京还不敢肯定。

  3. that引导主语从句放在句首时,that不可省,但在句末口语中可省。如:

  That he was ill yesterday is known now. 大家都已知道他昨天生了病。

  4. 连接代词引导主语从句只能放在句首。如;

  (1)Who has broken the glass is unknown. 谁打破了玻璃现在还不知道。

  (2)What he wants is all here. 他所要的东西都在这里。

  5. 主语从句中主句的谓语动词一般用第三人称单数形式,但what引导主语从句的主句谓语动词的形式须根据句子的意思来判断。如

  (1)How he worked it out is still a secret. 他是如何把它做出来的还是一个秘密

  (2)What they makes in this factory are TV sets. 他们在工厂里所做的东西就是电视机。

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