主语从句课件.ppt

1、主语从句主语从句海珠中学高一组海珠中学高一组What can you see on the screen ?What can you see on the screen ?What I can see on the screen is What I can see on the screen is arareeWhat do they want ?What do they want ?What they want is/are What they want is/are What does he or she need?What does he or she need?What she nee

2、ds is/areWhat she needs is/areWhat he needs is/areWhat he needs is/areWhat do you want or need ?What do you want or need ?What I need is/areWhat I need is/areremains a mystery.remains a mystery.Who he isWho he is remains a mystery. remains a mystery.What the boy is thinking aboutWhat the boy is thin

3、king about remains a remains a mysterymystery.Which road Which road he will choosewill choose remains remains a mystery. a mystery.remains a mystery.remains a mystery.Where/When/How I will goWhere/When/How I will go remains a mystery. remains a mystery.Why dinosaurs disappearedWhy dinosaurs disappea

4、red remains a mystery. remains a mystery.Whether he will come to Haizhu is not decided yet.It that he will come to It that he will come to HaizhuHaizhu. . That he will come to Haizhu surprised me. That he cant come to Haizhu is a pity.It whether he will come to taian.It whether he will come to taian

5、.It that he cant come to taian.It that he cant come to taian. What I can see on the screen is a pig. What I can see on the screen is a pig. What he needs are new clothes. What he needs are new clothes.Who he is remains a mystery.Who he is remains a mystery.Which road he will choose remains a mystery

6、.Which road he will choose remains a mystery.Where/When/How I will go remains a mystery.Where/When/How I will go remains a mystery.That he will come to Haizhu surprised me. That he will come to Haizhu surprised me. Whether he will come to HuizhuWhether he will come to Huizhu is not decided is not de

7、cided yet.yet.It is a pity that he cant come to It is a pity that he cant come to HaizhuHaizhu . .主语从句连接词小结主语从句连接词小结：that that 引导主语从句只起引导作用，本身无实际意引导主语从句只起引导作用，本身无实际意义，在主语从句中不充当任何成分，但不能省略。义，在主语从句中不充当任何成分，但不能省略。That the girl left him broke his heart.That the girl left him broke his heart.1）从属连词：thatth

8、at， whether.whether.Whether the rain will stop is not easy to say.Whether the rain will stop is not easy to say.Whoever gets the ball will marry Whoever gets the ball will marry me.me.主语从句连接词小结主语从句连接词小结：2）连接代词whatwhat、 whowho、 whichwhich、whosewhosewhateverwhatever、whoever whoever 、whicheverwhichever

9、Whatever you do will not touch my heart.Whatever you do will not touch my heart.Whose idea it was caught our attention.Whose idea it was caught our attention.主语从句连接词小主语从句连接词小结结：3) 连接副词whenwhen、wherewhere、howhow、whywhy等。Why he did it is not reported in the newspaper.Why he did it is not reported in t

10、he newspaper.When we arrive doesnt matter. When we arrive doesnt matter. How he became a great scientist is known to us all. How he became a great scientist is known to us all. Tips：1.1. Whether可以引导主语从句，if不可；2.2. That引导主语从句时不做句子成分，但不能省略；误：误：They should like each other is natural.正正： That they should

11、 like each other is natural. It is natural that they should like each other.3.3. 主语从句的语序为陈述句语序；4.4.主语从句作主语时，谓语动词的形式由主语所代表的内容决定；Make sentences : Its certain. well be late. Is he coming or not ？We dont knowWhat does he want to tell us?We dont knowWhen will you come back? It doesnt matter.Its certain t

12、hat 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 back. 主语从句后置主语从句后置! 为了避免主

13、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 missed the chance.Its known to all tha

14、t the earth is round.A.It+be+形容词形容词+that从句从句(obvious,true,surprising,good,wonderful,funny,possible,likely,certain,probable,etc.) 如：如：It is certain that she will do well in her exam. 用于用于 It is important / natural / necessary / impossible that.句句型中型中, 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

15、形式, should有时可以省略。有时可以省略。B.It+be+名词词组名词词组+that从句从句(anhonor,afact,apity,etc）如如：Its a pity that we cant go. 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. 在在 It + be + suggested/advised/ordered/requested/

16、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。 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：IthappenedthatIwasoutthatday. Itdoesntmatterwhethershewillcomeornot.1.Where shall we spend the holiday isnt decided.2.You have m

17、ade 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 the lights.5.If the policemen will come is not certain.we shallThat you haveIt isWhoeverwhether改错练习改错练习6.It is say that he was a famous writer.7.It is seemed that it is going to rain soon

18、 .8.That is fact that she won the first place.9. Who leaves the room last ought to turn off the lights.10.It is important that a student learns a foreign language.said seemsIt is a factWhoevershould learnWhat pains us trains us.What pains us trains us. What doesnt kill us makes us stronger. What doesnt kill us makes us stronger. What hurts us the most teaches us the best . What hurts us the most teaches us the best .使我们痛苦的东西在真正锻造我们。使我们痛苦的东西在真正锻造我们。没有要我们命的事情让我们更强大。没有要我们命的事情让我们更强大。伤害我们最深的教会我们最多。伤害我们最深的教会我们最多。