1、必修 3Noun clauses as the subjectUnit 4 GrammarTo learn the noun clauses as the subject语法讲解建议采用归纳法，如尽可能多的呈现一些相关例句，或可让学生从已学课文中找相应例句，引导学生试着从所观察到的语言现象中总结出语言规则和语法规律。a noun, noun phrase or pronoun representing the person or thing that performs the action of the verb, about which something is stated or, in
2、a passive sentence, that is affected by the action of the verbI sat down.The house is very old.The tree was blown down in the storm.David arrived last night. Who is speaking, please? Two will be enough. Looking up all the new words in the dictionary took him a lot of time. To translate this ideal in
3、to reality needs hard work.How to do well is an important question. What has happened proves that our policy is right. Underline the subjects in the following sentences.n.pron.num.to dov-ingphrasesentence subject clauseFind all the examples in the reading passage where noun clauses are used as the s
4、ubject.()()()()()()()主语从句的连接词有： that, whether, if, what, why, how等， it可以做形式主语。()()()()()()()主语从句后的谓语动词一般用单数形式。1. _ it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.2. it was not clear _ the shape would last or not.3. _ is even more i
5、mportant is that as the earth cooled down, water began to appear on its surface.4. It was not immediately obvious _ water was to be fundamental to the development of life.WhatwhetherWhatthatgo Ready?5. _ many scientists believe is that the continued presence of water allowed the earth to dissolve harmful and acids into the oceans and seas.6. _ they suddenly disappeared still remains a mystery.7. So _ life will continue on the earth for millions of years to come will depend on whether this problem can be solved. What Why whether
