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1、 高考英语精讲精练课件优秀课件,精彩无限! 1 名词性从句主语从句 宾语从句 表语从句 同位语从句主语从句在句中做-宾语从句在句中做-主语宾语表语从句在句中做-同位语从句在句中-表语 同位语1. That he will come is certain主语从句2. I know that he will come.宾语从句3. The truth is that I have been there表语从句4. The fact that she was late surprised us.优秀课件,精彩无限! 2同位语从句1. 为什么叫名词性从句?名词能做的成分,从句都能做整个从句相当于一个名
2、词_从句表达的意思比名词复杂得多2. 为什么要有名词性从句?比拟: The man looked around. 那人看了看四周. 名词作主语That the boy failed again in the exam disappointed his mother.那孩子考试又不及格令他母亲很失望 从句作主语同样作主语,从句可以表示较复杂的含义,一般是个动作或性质I know him.I know that he is writing his composition in his room我知道他在房间里写作文.从句的特征:是一个句子,有一个引导词,引导词做从句的一个成分 that 除外优秀课
3、件,精彩无限! 3从 句 that whether who whom whose 主语从句引导词: what which when where why how位于句首1. That he knows Japanese is known to allThat无词义,不可省略他懂英语,这一点大家都知道Details 2. What surprised me was to see him hereWhat “什么, “所.的令我惊讶的是在这儿见到他.Details 3. When he will come is unknown他什么时候来不清楚. When “什么时候Details 4. Wheth
4、er he is coming doesnt matter much 他来不来没什么要紧的Details 主语从句不用 if5. It remains a secret how they climbed up the mountain.他们是怎么登上山顶的仍是个秘密主语太长了!放到句尾主语从句的位置 1.在句首 2.主语较长时通常放在后面,句首主语用 It优秀课件,精彩无限! 4 It 作主语的常用句型有:1. It + be +形容词 + that 从句2. It + be +名称词组duty/pity. + that 从句3. It + be + 过去分词said/thought. + t
5、hat 从句4. It +不及物动词seem/happen. + that 从句1. 真可惜我们不能去游泳It is a pity that we cant go swimming.2. 碰巧那天我外出了.happen只有 it 句型It happened that I was out that day.3. 他考试肯定会考好.It is certain that he will do well in the exam.4. 据说他已告诉了她一切.It is said只有 it 句型It is said that he told her everything.More 注意: It looke
6、d that he was right. 可以说: It looks as if.优秀课件,精彩无限! 5 用形式主语 it 的主语从句常见结构1. It is clear necessary, important, possible,remarkable that 很清楚(必要, 重要,可能, 值得注意等2. It is a fact a good thing, good news that 事实是好事是,好消息是3. It is well-known reported, recorded, estimated,said, believed that众所周知 据报道,据记载,据说,据估计4.
7、 It turns out seems, happens, appears that 结果是 似乎是, 碰巧是, 好象是 5. It has been found has been proved,can be seen,must be pointed out that 已发现 已证明,可以看出,需指出优秀课件,精彩无限! 6用 it 句型翻译:1. 据说今年高一学生要学新教材.It is said that the Senior Grade one students will learn a new text this year.2. 事实是他们靠自己完成了所有的任务.It is a fact
8、 that they finished all the work by themselves.3. 碰巧他们已经参加过军训了. It happened that they had had their military training.4. 众所周知, 比尔 ? 盖茨是世界上最富有的人.It is well-known that Bill Gates is the richest person in the world.5. 我们应该养成好的学习习惯这很重要.It is important that we should form a good habit of studying. Note:
9、It is important/necessary/natural/our duty/essential/strangethat sb should do sth. 固定句型, should可以省略翻译: 真奇怪他今天竟然迟到了.It is strange that he should be late today.优秀课件,精彩无限! 7strange不省略should为好表语从句 从 句 同主语从句 11个, 外加as if /引导词: as though, 系动词后面1. The truth is that he has never been to the countryside.实际情况
10、是他从未去过农村 that 一般不省略2. The question is whether w can finish the experiment by Friday.问题在于我们能否在明天下午之前完成这项实验表语从句不用 if3. It looks as if it were going to rainas if /as though从句常表示不真实的情况好象看上去要下雨似的 其实不会She talks as if /as though she had been there before 又比方:她说话的口气好象以前去过那儿似的4. This school is no longer what
11、 it was before.这所学校已不再是从前的那个样子了. what the thing that 优秀课件,精彩无限! 8More 注意以下表语从句中where, how, why 的译法固定句型:1. This is where Lu Xun once livedThis is where这就是鲁迅曾经住过的地方 这就是的地方2. That was how they won the matchThis is why 这就是的原因他们就是这样赢得这场比赛的 This is how.3. This is why she got up so early this morning.这就是的方
12、法这就是她为什么今天早上起得这么早的原因.1. 我们就是这样克服困难的.This is / That was how we overcame the difficulties.2. 那就是他昨天缺席的原因.This is 总是现在时That is why he was absent yesterday.That is 表示性质 3. 这就是我们上星期碰头的地方.That was 指过去动作优秀课件,精彩无限! 9This is where we met last Sunday宾语从句宾语从句中的连接词that在以下三种情况下不能省略:(1)当that 从句与另一名词性从句并列作宾语时,第二个t
13、hat不能省;(2)当that作介词宾语时,that不可省掉。(3)用it做形式宾语的宾语从句Everyone knew what happened and that she was worried? The reason lies in that she works harder 优秀课件,精彩无限! 10than the others do.whether与if的辨用表“是否时,在以下情况下用whether。a. 主语从句b. 表语从句c. 同位语从句e. 介词后的宾语从句f.后接动词不定式 whether to do sth. g .whether or not 连在一起引导宾语从句时不
14、用if优秀课件,精彩无限! 112.注意whether和if的使用区别1.whether和if都可以引导宾语从句 a.当whether后紧跟or not时,不用if eg: I dont know whether or not I willstay.b.介词后面的宾语从句不能用if eg: I worry about whether I hurt her feeling.优秀课件,精彩无限! 12Practice timeif / whetherif / whether1. I asked her _ she had a bike.whether3. Were worried about _ he is safe.whether /if4. I dont know _ he is well or not.whether5. I dont know _ or not he is well.whether8. I dont know _ to go优秀课件,精彩无限! 13 doubt问题1. I doubt if / whether he will 肯定句中用 if / whetherpass the exam2. I dont doubt that we will 否认句中用 that win the match.3. Do you doub
