1、高考英语语法知识讲解一、强调句【定义】通过各种方式对句子中的某个部分进行强调,从而起到修辞的作用。例句:It was Lily who broke the cup. 是丽丽打碎了杯子。【分类】1.使用强调句型表示强调It is/was +被强调部分+that/who+其他例句:It was her who I saw yesterday.我昨天看到的是她。Is/Was it +被强调部分+that/who+其他例句:Was it her who I saw yesterday?我昨天看到的是她吗?被强调部分(通常是疑问代词或疑问副词)+is/was+it+that/who+其他?例句:when
2、 and where was it that you were born?你什么时候出生的?出生在哪里?It is/was not until+被强调部分+that+其他例句:It was not until his mother came back that the boy went to bed.直到他妈妈回来,男孩才肯上床睡觉。2.使用一个单词表示强调do/does/did+动词前可表示强调例句:I do complete my tasks.我真的完成了我的任务。never/only/very/mere /perfect可表示强调例句:This is a very question th
3、at deserves careful analysis.这真是一个值得仔细分析的问题。二、虚拟句【定义】虚拟语气表示说话人的主观愿望、猜疑、建议或与事实不符的假设等,而不表示客观存在的事实。虚拟语气是由句中的谓语动词的特殊形式表示出来的。例句:If I were a bird, I would be able to fly in the air.如果我是鸟,我就能在空中飞行。【分类】1.虚拟条件句条件从句与现在事实不一致,其句型为:If 主语过去时,主语 should (could, would, 或might) 动词原形例句:If I were you, I would try.如果我是你
4、,我会试一试。条件从句与过去事实不一致,其句型为:If 主语had过去分词,主语 should(could, would, 或might) have 过去分词例句:If the doctor had come last night, the boy would have been saved.如果昨晚医生来了,这个孩子也许可以救活。条件从句与将来事实不一致,其句型为:If 主语过去时/ should 动词原形/ were to动词原形,主语 should (could, would, 或might) 动词原形例句:If it should rain tomorrow, we would sta
5、y at home.如果明天下雨,我们就待在家里。注: 条件句中如果出现were, had, should可省去if,将主语与这些词倒装。例句: Had the doctor come last night, the boy would have been saved.如果昨晚医生来了,这个孩子也许可以救活。 If条件句中绝对不可以出现would。2.从句中的虚拟语气 定语从句虚拟语气:表示:“早该做某事了”其句型为:It is (high / about) time that + 主语+ 动词的过去式/ should+ 动词原形例句:It is high time you should go
6、 to work. 你早该上班了。 主语从句虚拟语气:表达惊异、惋惜、遗憾、理应如此等意义其句型为:It is a pity / a shame / no wonder.that.It is suggested / requested / desired / proposed /. that.It worries me that.It is admirable / necessary / natural.that.例句:It is a pity that we should not meet last night. 真遗憾我们昨天晚上没有见过面。 表语从句或同位语从句虚拟语气:表示请求、要求、
7、命令、建议等名词advice, desire, decision, idea, instruction, order, plan, proposal, recommendation, request, requirement, suggestion, wish充当句子的主语而后面接表语从句或它们后面接同位语时;其句型:(should) + 动词原形。例句:He told us his idea that he should go to university. 他告诉了我们他的想法:他想上大学。 宾语从句虚拟语气:advise, ask, demand, desire, decide, insi
8、st(坚决要求) , order, propose, request, suggest(建议) 表示请求、要求、命令或建议等意义的动词所接的宾语从句一般用虚拟语气;其句型:(should) + 原形动词。例句:He insisted that he hadnt taken the cup. 他坚持说他没有拿那个杯子。believe, expect, suspect, think, imagine 等动词的否定句或疑问句中的宾语从句常用虚拟语气。其句型:should + 原形动词。例句:Can you believe that she should do it? 你能相信她竟然做到了?wish
9、之后的宾语从句,表示一种没有实现或根本不可能实现的愿望,常用虚拟语气;其句型:发生在主句动作之前,从句用had + 过去分词或者would / could / might / should + have + 过去分词;与主句动作同时发生,从句用过去时(be 用were );发生在主句动作之后,从句用would / could / might / should + 原形动词例句:I wish she did not show up. 我真希望她没有出现。 状语从句虚拟语气方式状语从句:as if, as though 引导的方式状语从句常用虚拟语气;其句型:发生在主句动作之前,其从句用had +
10、 过去分词;与主句动作同时发生,其从句用过去时(be 用were );发生在主句动作之后,would / could / might / should+原形动词;例句:He coughed twice as if someone should come. 他咳嗽两声就好像有人要来了。目的状语从句:在 for fear that, in case, lest 引导的目的状语从句中,若用虚拟语气时,从句谓语为:should + 动词原形。并且 should 不能省略;例句:He started out earlier lest he should be late. 他很早就出发了以防迟到。so t
11、hat, in order that 所引导的目的状语从句中,从句中的谓语为:can / may / could / might / will / would / should + 动词原形;例句:He goes closer to the speaker so that he can hear him clearer. 他走近说话的人以便能挺得更清楚。让步状语从句:though, although等引导的让步状语从句中,从句虚拟语气结构为 should +动词原形例句:Though he should often be late, he is a good student. 尽管他经常迟到,
12、他还是个好学生。三、倒装句【定义】为了强调、突出等词语的目的而颠倒原有语序的句式叫做倒装句。为什么要用倒装句! 特别强调:如only和否定词引导的“部分倒装”类句型,就是为了强调这个内容而特别把它放到最前面; 区分语气:如陈述句用降调的,而疑问句是升调,从而对话过程中容易知道对方说话的情绪; 避免主语太长,将谓语放在前面先讲出来,然后再将主语叙述出来;【分类】1.部分倒装句首是否定意义的副词时,句子需部分倒装;如:not, hardly, never, seldom, rarely, scarcely 等词放在句首,表达一种惊讶和不可思议的语气,例句:Seldom do I go to wor
13、k by bus. 我很少乘公共汽车上班。 only放在句首,与副词、介词短语或状语从句连用时,句子需要部分倒装;例句:only in this way could we afford to eat.只有这种办法才能让我们解决温饱问题。 sothat句型,且so置于句首;例句:So beautiful was the girl that nobody could talk of anything else.这女孩漂亮的让人再说不出别的来了。 在if引导的虚拟条件从句中,并且含有had, were, should等时,如果要将if省略,则需要部分倒装,将had, were, should移到主语
14、之前。例句:Had I been there, this problem wouldnt have happened.我如果在那,就不会发生这样的问题。2.完全倒装 表示地点、时间或顺序的副词here, there, now, then等置于句首时;例句:Here comes the car. 车来了。 当There be/live开头的句子中,主语后并无其他成分时;例句:There live a lot of sportmen.那里住着很多运动员。 当表示方向的副词置于句首时,全句完全倒装;例句:up went the umbrellas. 撑起伞。但是主语是人称代词的时候,不能使用倒装句型。例句:Away it went.(无倒装) 表语或地点状语放在句首,表示强调,全句用完全倒装;例句:Round the corner came three girls. 三个女孩从转角处走了过来。3