高一英语Unit4 astronomy grammar课件 新课标 人教.pptVIP

Grammar; “How do you do?” is a greeting. What she said is not yet known. That we shall be late is certain. It is certain that we shall be late. ;Make sentences ; 主语从句（Noun Clauses as the Subject）;主语从句： 做主语用的名词性从句，因其在复合句中做主语，又称主语从句，引导主语从句的有连词that ，whether， 连接代词who ，what ，which， 连接副词when，where， how， why等。 ;1.连接词：;2)连接代词who ，what ，which, whatever, whichever, whoever ;3)连接副词when，where， how， why等。;It is still uncertain whether he is coming or not. It is an honour that I was invited to attend the meeting. ;2）It+不及物动词+主语从句 It seemed (happened, doesn’t matter, has turned out) that… ;3) It +及物动词（被动语态）+主语从句;误：They should like each other is natural. 正：That they should like each other is natural. 正：It is natural that they should like each other.;4) . 用于It is important / natural / necessary / impossible that...句型中, 主语从句应使用虚拟语气, 谓语动词用\“should + 动词原形\”的形式, should有时可以省略。 5) 在It + be+suggested/advised/ordered/requested/ insisted/required 中, that从句的谓语也应该用\“should + 动词原形\”的形式, should有时可以省略。;5. 主语从句需注意的问题 (1)主语从句中用陈述语序 What she is afraid of is their taking her to Paris. ( What is she afraid of … Wrong ) (2)主语从句后谓语动词用第三人称单数 That they haven’t phoned is strange.;6. It 作形式主语和it引导强调句的比较; 7. what 与that 在引导主语从句时的区别 what 引导主语从句时在句时在从句中充当句子成分，如主语．宾语．表语，而that 则不然。例如： 1) What you said yesterday is right. 2) That she is still alive is a consolation. ;1.Where shall we spend the holiday isn’t decided.;Describe your mother with your partner.;1. I read about it in some book or other, does it matter _______ it was? （01北京春季) A．where B．what C．how D．which; 1. _____ you don’t like him is none of my business. 2. _____ he said at the meeting astonished everybody present 3. ________ the 2000 Olympic Games will be held in Beijing is not known yet. 4. ________ we’ll go camping tomorrow depends on the weather. 5. ________ leaves the room last ought to turn off the lights. ; ;1.I have always been honest and s