4.2《unit4 grammar2》

Unit 4 Astronomy: the science of the stars
Grammar: The subject clause
Word-consolidation-II plete this passage with some of the above (2m) words. My friend Li Yanping was really very interested in astronom ___________.he liked to watch changes in the y moon,the only natural satellite of the earth through his telescope. One evening he thought explod he saw a huge comet ________as it hit the moon. surface e The ________of the moon produced a lot of dust solid that became _______like a large ball. It seemed planet as if it would multiply and become a new _______.Li Yanping thought he was seeing the developmen ______________of the universe until he noticed t some dirt on his telescope!he was very
这样就构成了下面一些常用句型:
1) It is + adj. / n. +从句 It is a pity/shame that... 遗憾的是…… It is possible that... 很可能…… It is unlikely that... 不可能…… 2) It +不及物动词+从句 It seems/appears that... 似乎…… It happened that... 碰巧……
据信, 至少有二十座楼房遭到破坏或彻底毁掉。
It has been decided that the exhibition will not open on Sundays.
改错练习 1.Where shall we spend the holiday isn’t decided. we shall 2.Your have made a mistake is a fact. That you have 3.That is certain that we can win. It is 4.No matter who leaves the room last ought to Whoever Ex. Ⅳ on P29 (ExbooKA) turn off the lights. 5.It is important that a student learns a foreign language. should learn
Ex. 3 P.28 Put these words into the more suitable of the two boxes. energetic patient terrible shocked friendly violent angry calm harmful jealous gentle cruel relaxing kind
“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. We can see from these sentences that a sentence serves as subject, so we call it Subject Clause.
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What she did is not yet known. Whoever comes is welcome. Whichever you want is yours. When he will be back depends on the weather. Where we live doesn’t matter. How the pyramids were built was still a mystery. That price will go up is certain. That they are badly in need of help is quite clear. Whether they will sell the house is not yet decided.
3) It + be +过去分词+从句 It is said that... 据说…… It is known to all that...
众所周知……
It is reported that... 据报道…… It is believed that...
据信……;人们相信……
It is suggested that... 有人建议……
known
It is known to all that the earth turns around the sun. 2. That price willin that price will go up . 3. That they are badly in need of help is quite clear. It is quite clear that they are badly in need of help.
It must be pointed out that...
必须指出……
It has been proved that... 已证明……. 如: It is believed that at least a score of buildings were damaged or destroyed.
Homework
1.Finish ExⅡ(2.4.5); ExⅢ on P 27.28 (exercise book A). 2.Finish the exercises on the paper. 3. Preview “ A visit to the moon”P30 4. 听写 “planet” to “disappointed”
fierce words energetic angry terrible harmful
peaceful words patient relaxing friendly
violent gentle calm cruel shocked kind jealous
Ex.4 1-4 DBCB
Review the passage “how life began on the earth” and translate the following sentences. 1. 谁也不知道地球会有别于其他行星. Nobody knew that it was going to be different from other planets. 2. 这就是地球之独有特性的初次显现. This is how the earth began to show it special qualities. 3. 许多人认为这对生命的起源特别重要. Many people think that this was important for the beginning of life. 4. 没有人懂得这些植物就是许多变化的开始. Nobody understood that these plants were the starts of many changes.
引导主语从句的连接词有： 连词that, whether； 连接代词who, whoever, what, whatever,和which； 连接副词when, whenever , where, how和why。
Please do Ex1 on P27 (Ex book A)
注意: 有时为了使句子结构平衡, 避免
5) . 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
有时有感情色彩。
1. _____ That you don’t like him is none of my business. 2. _____ What he said at the meeting astonished everybody present 3. ________ Whether the 2000 Olympic Games will be held in Beijing is not known yet. 4. ________ Whether we’ll go camping tomorrow depends on the weather. 5. ________ Whoever leaves the room last ought to turn off the lights.
Grammar
What part does the underlined part serve as in each sentence? A tree has fallen across the road. You are a student. To find your way can be a problem. Smoking is bad for you.