仁爱版初三英语上册Unit 4 Amazing science句式精讲精练

1、.Unit 4 Amazing science句式精讲精练句式精讲1. Its made of metal.be made of 意为“由制成。例如：The desk is made of wood. 这张桌子是由木头制成的。【拓展】短语含义用法be made of由制成强调由制成品能看出原材料be made from强调由制成品一般看不出或难以分辨出原材料be made in在某地制造强调物品的产地例如： These bottles are made of glass.这些瓶子是由玻璃制成的。 Wine is made from grapes. 红酒是葡萄酿的。 This car is ma

2、de in Tianjin. 这辆车是在天津制造的。2. I hope your dream will come e true意为“理想、梦想等实现。come作系动词，表示“变得，其后常接一些表示好的、积极的形容词，如：true; right等。 Your dream will come true if you work hard. 假如你努力工作，你的梦想会实现的。【拓展】辨析：come true与realize come true和realize均可表示“实现之意，但come true的主语常是物或事，如：愿望、梦想、目的等。realize是及物动词，其主语常是人。例如：

3、His wish to be an actor has come true. 他想当演员的愿望实现了。 She realized her dream finally. 她最终实现了她的梦想。 3. It is used for sending satellites or spaceships into space.be used for 意思是“被用来做某事，for是介词，它的后面用名词或者动名词作宾语。例如：Knives are used for cutting things. 刀是用来割东西。【拓展】1be used as意思是“被作为使用，as是介词，意思是“作为，它强调被当作工具或者手

4、段来使用。例如：Our classroom is used as a reading-room. 我们的教室被用来当阅览室使用。2be used by意思是“被使用，by后面跟人或者物，表示强调动作的使用者。例如：This radio is often used by my mother. 这台收音机经常被我的妈妈使用。3be used to do something意思是“被用来做某事，和be used for doing是同义词短语。例如：It is used for learning English.It is used to learn English. 它被用来学习英语的。4be u

5、sed to doing something的意思是“习惯于做某事。例如：My father is used to living in the village. 我的爸爸习惯于住在乡村。4. Its said that he invented more than two thousand things during his life.It is said是一个固定搭配的句型，it是形式主语，真正的主语是后面的that从句。它的思是“据说。例如：It is said that Mary is very happy in London. 主语从句= They say that Mary is ve

6、ry happy in London宾语从句据说玛丽在伦敦是非常幸福的。【拓展】另外类似的句型有：It is believed that人们相信，It is reported that 据报道，It is supposed that 据猜测。例如：It is believed that on December 21st, 1981, the first basketball game in history was played. 人们相信历史上首次篮球比赛是在1891年12月21日举行的。It is supposed that there is no life on the moon.据推测月

7、球上是没有生命的。It is reported that another earth satellite has been put into orbit. 据报道又有一颗卫星上天了。5. I wish I could go into space some day.wish作动词，意为“希望；期待。wish后接 that从句表示愿望，且从句的谓语动词要用虚拟语气。例如：I wish I were a bird. 我希望我是只小鸟。【拓展】辨析：hope与wish1一样点：表示“想；希望，宾语可为to do,不能用doing。例如：I hope/wish to visit Guilin. 我希望去

8、桂林观光。 2不同点：wish后可以跟复合宾语，即wish sb. to do sth.，而hope不能。例如： I wish you to go. 正 我希望你去。 I hope you to go. 误 我希望你去。3两者都可接that从句，但是“hope + that从句表示希望，“wish + that从句表示愿望，且从句的谓语动词要用虚拟语气。例如：I hope youll be better soon. 我希望你很快好起来。I wish I were really wealthy. 但愿我真的富有。4wish后可接双宾语。例如：We wish you a happy New Yea

9、r! 我们祝你新年快乐！6. It was invented in 1879.句中的was invented是invent的被动语态。1被动语态的构造是：be及物动词的过去分词。be有人称、时态和单复数形式的变化。各种时态的被动语态列表：时态被动语态的构造一般如今时am/is/are过去分词一般过去时was/were过去分词一般将来时will/shallbe过去分词如今进展时am/is/arebeing过去分词如今完成时have/hasbeen过去分词过去进展时was/werebeing过去分词过去将来时would/shouldbe过去分词过去完成时hadbeen过去分词2被动语态的用法：1不

10、知道谁是动作的执行者的时候用被动语态。例如：My bike was stolen last night. 我的自行车昨天晚上被偷了。2 强调和突出动作的承受者的时候用被动语态。例如：The blackboard has been cleaned. 黑板已经被擦了。3没有必要指出动作的执行者的时候用被动语态。例如：The Great Wall was built thousands of years ago. 长城是数千年前建成的。7. China is the third nation that sent a person into space.China is the third natio

11、n that sent a person into space.为含有定语从句的复合句，that sent a person into space为定语从句，修饰先行词the third nation，that为关系代词，在定语从句中作主语。【拓展】在复合句中，修饰某一名词或代词的从句叫做定语从句。被定语从句修饰的词叫做先行词。定语从句必须放在先行词之后。引导定语从句的关联词有关系代词that，who，which等和关系副词when，where，why等，且定语从句的关联词在从句中充当一定的成分，从句中谓语动词的时态及单复数要和它所修饰的先行词保持一致。例如：This is the prese

12、nt that he gave me for my birthday. Do you know everybody who came to the party?I still remember the night when I first came to the village. This is the place where Chairman Mao once lived.句式精练I. 句型转换，按要求完成以下句子。1. We can finish the work in two days.  变为被动语态The work _ _ _ in two days.2. The

13、y produce silk in Suzhou.   变为被动语态Silk _ _ in Suzhou.3. The children will sing an English song. 变为被动语态An English song _ _ _ by the children. 4. Mum asked Mary to show me her new dictionary.  变为被动语态Mary _ _ _show me her new dictionary.5. The desk is used for putting a computer on.

14、 变为主动语态 We use the desk _ _ a computer on.6. This kite was made by my father for my birthday. 变为主动语态 My father _ _ _ _ my birthday.7. Finally, the girl realized her dream in China. 改为同义句Finally, the girls dream _ _ in China.8. The house was built in 2019. 对划线部分提问_ _the house _?9. We planted many tre

15、es and flowers in our school last year. 用next year 改写句子Many trees and flowers _ _ _ in our school next year.10. We have learned 3 units by now. 变为被动语态 3 units _ _ _ by now.II. 根据汉语提示，完成句子。1. 毫无疑问，由于计算机的出现，我们的世界正变得越来越小。Theres _ _ that our world is becoming _ and _ because of the appearance of compute

16、rs. 2. 总体来说, 这本书值得一读。_ _, the book is worth _. 3. 只要你有信心, 就一定能获得成功。You are sure to make great success _ _ _ you have confidence. 4. 为了成为一名科学家, 她在学校努力学习。She studies hard at school _ _ a scientist. 5. 月球在相隔地球38万千米的地方绕地球转。The moon goes around the earth _ _ _ _ 380, 000 km.6. 红酒是由葡萄制成的。The red wine _ _

17、_ grapes.7. 考试完毕后把试卷交上来。_ _ your papers at the end of the exam.8. 据说那名歌手是他的哥哥。_ _ _ the singer is his elder brother.9. 我已经再三地和他讲过了，他不应该依靠他的母亲。I have told him _ _ _. He shouldnt depend on his mother.10. 这部电影是根据鲁迅的小说改编的。The movie is _ _ a novel by Lu Xun. III. 补全对话。 根据下面的对话情景，在每个空白处填上一个适当的句子，使对话的意思连接、

18、完好。A: Morning, Tina. Did you enjoy your holiday in the country last week?B: Yes, I really had a lot of fun there.A: Great! 1. ?B: With some of my friends.A: 2. ? In a hotel?B: No. We camped in a mountain village. And we cooked our meals over an open fire.A: Sounds wonderful. How was the weather ther

19、e?B: 3. . When we took a walk in the countryside, we met some villagers and had tea with them.A: 4. ?B: Yes. I will bring you some pictures tomorrow. By the way, what did you do last weekend?A: 5. B: Wow, pretty cool. I believe you had a great time, too.【参考答案】I. 句型转换，按要求完成以下句子。1. can be finished2. is produced3