2024届高考英语复习名词性从句:主语从句课件(共28张PPT)
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2024届高考英语复习名词性从句:主语从句课件(共28张PPT)(共28张PPT)Subject Clauses主语从句Everyday EnglishI am a slow walker, but I never walk backwards.我走的很慢,但我从不后退。
Grammar3. To find your way can be a problem.2. Smoking is bad for you.1. You are a student.4. “How do you do ” is a greeting.5 .What she said is not yet known.6. That we shall be late is certain.7. It is certain that we shall be late.Subject(主语)充当主语的句子叫做主语从句。
从属连词that, whether, if;连接代词who, whoever, whom, what, whatever, whose, which;连接副词when, where, how, why【例句呈现】观察下列例句,指出其中所包含的主语从句及引导词:1. What is needed for a long trip is careful preparation.该句中主语从句是__________________ _________,引导词为_____。
What is needed for awhatlong trip2. That Jay Zhou will come to my city excites everybody.该句中主语从句是_______________________________,引导词为_____。
3. Whether we will travel abroad or not has not been decided.该句中主语从句是___________________________________,引导词为_________。
That Jay Zhou willWhether we willcome to my citythattravel abroad or notwhether4. Whoever knows the secret mustn’t tell others.该句中主语从句是________________________,引导词为________。
5. It remains a puzzle why dinosaurs died out suddenly long time ago.该句中主语从句是________________________________________,引导词为_____。
Whoever knows thewhoeverwhy dinosaurs diedwhysecretout suddenly long time ago当一个句子主语过长时,可以用it作形式主语,而把真正的主语或主语从句后移至句子末尾,以保持句子的平衡。
1. It is not clear how the accident happened.2. It is not hard to understand why he did so at that time.3. It is a pity that you should have made such a careless mistake.4. It is reported that more than thirty deaths were caused in the accident. It is + n. + that从句2. It is + adj. + that从句,常见此类形容词有:important, necessary, clear, certain, natural, strange, obvious, likely, impossible, possible等。
It is still a mystery what caused the accident.It is very likely that they will hold a meeting.It is obvious that he lost the game.3. It+特殊动词+that 从句It seems / appears ... that ... 似乎……It happened (to sb.) that ...(某人)碰巧……It seems that he has seen the film.似乎…It happened that they were absent.碰巧…4. It + be + 过去分词+ 主语从句It is said / reported / believed / suggested / known / proved that ...It is said that 据说…It is known to all that.众所周知…It is decided that… 据决定It is believed that… 据认为/人们认为what引导名词性从句时在从句中充当句子成分,如主语,宾语,表语,而that则不然,它在句子中只起连接作用。
例如:(1) What you said yesterday is right.(2) That she is still alive is a puzzle.What 与that 引导主语从句(1) What you lack is self-confidence.译为:_________________________你所缺乏的是自信。
What /that(2) That more and more students are admitted into universities is true.译为:______________________________________________________(3) What is needed for the program is more wisdom.译为:_____________________________这个项目所需要的是更多的智慧。
越来越多的学生将被大学录取的消息是真实的。
【巩固练习】用what或that填空。
(1) _____ he told us this morning was just a lie.(2) _____ is important to us is enough time.(3) It worries my mom _____ she is beginning to get a little fat.(4) _____ we can’t get seems better than _____ we have.WhatWhatthatWhatwhat从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。
1. It is still under discussion _____ the old bus station should be replaced with a modern hotel or not.A. whetherB. whenC. whichD. where2. The villagers have already known _____ we’ll do is to rebuild the bridge.A. thisB. thatC. whatD. which3. _____ some people regard as a drawback is seen as a plus by many others.Whether B. WhatC. ThatD. How4. It never occurred to me _____ you could succeed in persuading him to change his mind.A. whichB. whatC. thatD. if5. It is uncertain _____ side effect the medicine will bring about, although about two thousand patients have taken it.A. thatB. whatC. howD. whether1. This is natural that they should like each other.2. It is true he has made a very important discovery in chemistry.3. It doesn’t matter that he is wrong or not.4. It is know to all that Lu Xun is a famous author.True or FalseItthat∨whetherknownFinish Using Structures on Page 64 of the Workbook.。