山东省初中英语主语从句PPT学习教案

1、会计学1 山东省初中英语主语从句山东省初中英语主语从句 2 第1页/共17页 3 第2页/共17页 定义：定义： 用作主语的从句叫主语从句，它是名词用作主语的从句叫主语从句，它是名词 性从句之一。性从句之一。 引导主语从句的连接词有：引导主语从句的连接词有： 从属连词从属连词: that, whether； 连接代词连接代词: who (whoever), whom, whose, what (whatever)和和which (whichever)； 连接副词连接副词: when, where, how和和why。 4 第3页/共17页 1.连接词：连接词： 1）从属连词：）从属连词：tha

2、t， whether 引导主语从句引导主语从句只起只起 引导作用引导作用，在主语从句中，在主语从句中不充当任何成分不充当任何成分，that本本 身无实际意义，但不能省略身无实际意义，但不能省略. whether意为意为“是否是否”， 放在句首句末皆可。放在句首句末皆可。 Thatpricewillgoupiscertain. Thathewillcomeiscertain. Whetherwegobytrainorbyboatmakesnodifference. Whether hell come here isnt clear. 5 第4页/共17页 2)连接代词连接代词 who ( who

3、ever) , what (whatever ), which (whichever), whom, whose . Whichsidewillwinisnotclear. Whowillwritethepoemhasnotbeendecidedyet. Whateverhedidisright. Whokilledthescientistremainsaquestion. Whomsheborrowedmoneyfromstillpuzzledhim. 6 第5页/共17页 3)连接副词连接副词when，where， how， why等。等。 Howthishappenedisnotclea

4、rtoanyone. Whenhewillbebackdependsontheweather. Whenwellstarttomorrowwillbetoldsoon. Wherethetestwillbegivenisnotyetdecided. 7 第6页/共17页 Make sentences : Its certain . well be late. Is he coming or not ？ We dont know What does he want to tell us? We dont know When will you come back? It doesnt matter

5、. Its certain that we will be late. That well be late is certain. We dont know whether he is coming or not . Whether he is coming is not known. We dont know what he wants to tell us. What he wants to tell us is not known. When you will come back doesnt matter. It doesnt matter when you will come bac

6、k. 8 第7页/共17页 主语从句后置主语从句后置! 为了避免主语冗长为了避免主语冗长,句子头重脚轻句子头重脚轻,经常用经常用 it 作作 形式主语形式主语,主语从句放在后面作真正的主语主语从句放在后面作真正的主语. 例例: That we shall be late is certain. - Its certain that we shall be late. 1. That the earth is round is known to all. - 2. That you missed the chance is a pity. - It is a pity that you miss

7、ed the chance. Its known to all that the earth is round. 9 第8页/共17页 A.It+be+形容词形容词+that从句从句 (obvious,true,surprising,good,wonderful,funny,possib le,likely,certain,probable,etc.) 如：如： It is certain that she will do well in her exam. B.It+be+名词词组名词词组+that从句从句 (anhonour,afact,apity,etc）如）如： Its a pity

8、that we cant go. 10 第9页/共17页 C. It + be + 过去分词过去分词 + that 从句 (said, reported, thought, expected, decided, announced, etc。） 如： It is said that Mr. Green has arrived in Beijing. D. It + 不及物动词或短语不及物动词或短语 + that 从句从句 ( seem，happen, doesnt matter ,turn out） 。如：。如： It happened that I was out that day. It

9、doesnt matter whether she will come or not. 11 第10页/共17页 1）主语从句在句首时，必须由连接词引导，不能省略这些）主语从句在句首时，必须由连接词引导，不能省略这些 连接词。连接词。 误：误：They should like each other is natural. 2)如果主语从句放在句首，不能用如果主语从句放在句首，不能用if引导，但是如果用引导，但是如果用it 做做 形式主语，而把主语从句放在句末时，也可以用形式主语，而把主语从句放在句末时，也可以用if引导引导. 误：误：If Mary really heard him is re

10、ally doubtful. 注注 意意 正：正： Thattheyshouldlikeeachotherisnatural. Itisnaturalthattheyshouldlikeeachother. 正：正：WhetherMaryreallyheardhimisreallydoubtful. ItwasdoubtfulifMaryreallyheardhim. 12 第11页/共17页 1. Whatyouleftareonlyseveraloldbooks. 2. Whatyousaidisofgreatimportance. 3）主语从句中用陈述语序）主语从句中用陈述语序,后面的谓

11、语动词用第三人称单数后面的谓语动词用第三人称单数 4）“what”引导主语从句时，谓语动词：引导主语从句时，谓语动词： 常与其后的名词作表语一致常与其后的名词作表语一致 ，且根据句子的语境而定。，且根据句子的语境而定。 eg： 5) . 用于用于 It is important / natural / necessary / impossible that.句型中句型中, 主语从句应使用虚拟语气主语从句应使用虚拟语气, 用用“should + 动词原形动词原形”的形式的形式, should有时可以省略。有时可以省略。 6) . 在在 It + be + suggested/advised/or

12、dered/requested/ insisted/required 中中, that从句的谓语也应该用从句的谓语也应该用 “should + 动词原形动词原形”的形式的形式, should有时可以省略。有时可以省略。 13 第12页/共17页 1.Where shall we spend the holiday isnt decided. 2.You have made a mistake is a fact. 3.That is certain that we can win. 4.No matter who leaves the room last ought to turn off t

13、he lights. 5.If the policemen will come is not certain. we shall That you have It is Whoever whether 改错练习改错练习 14 第13页/共17页 6.It is say that he was a famous writer. 7.It is seemed that it is going to rain soon . 8.That is fact that she won the first place. 9. Who leaves the room last ought to turn of

14、f the lights. 10.It is important that a student learns a foreign language. said seems It is a fact Whoever should learn 15 第14页/共17页 1. _ he made an important speech at the meeting was true. A. That B. Why C. What D. How 2. _well go camping tomorrow depends on the weather . A If B Whether C That D Where 3._ is known to us all that America is a developed country . A Which B As C What D It 16 第15页/共17页 4. Its known to us all _ a form of energy . A. wa