ID: 23682418

UNIT 4 Space Exploration Period 4 Discovering Useful Structures课件(共37张PPT+ 学案)高中英语人教版(2019)必修 第三册

日期:2025-10-18 科目:英语 类型:高中学案 查看:33次 大小:1969835B 来源:二一课件通
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UNIT,第三,必修,2019,人教,高中英语
    (课件网) Period 4  UNIT 4 SPACE EXPLORATION 主题语境 人与自然———地球与宇宙奥秘探索 课时学案 单元语法讲练(Discovering Useful Structures) (1)(a) lack of      没有,缺乏;不足,不够 for lack of 因缺乏/缺少/没有…… (2)lack sth. 缺乏某物 (3)lacking adj. 缺少的,不足的 be lacking in... 在……方面缺乏 lack n.缺乏;短缺 vt.没有;缺乏 [即学即练]———单句语法填空/一句多译 ①There is __ serious lack of insight into the problem. ②I must work hard in the hope of making up for lack ___ ability. ③由于缺乏烹饪经验,这对双胞胎把厨房弄得乱七八糟。 a._____,the twins made the kitchen in a mess.(lack n.) b.Because the twins _____,they made the kitchen in a mess.(lack v.) c.Because the twins _____,they made the kitchen in a mess.(lacking adj.) a of For lack of cooking experience lacked cooking experience were lacking in cooking experience 动词不定式作定语和状语 动词不定式是非谓语动词的一种形式,其结构是“to+动词原形”,否定形式为“not+to+动词原形”。动词不定式在句中不充当谓语,不受主语的限制,但有时态和语态的变化。动词不定式具有动词的特点,可以带有自己的宾语和状语。 动词不定式具有名词、形容词和副词的特征,在句中可以作主语、宾语、表语、定语、状语和宾语补足语等多种成分。 一、不定式作定语 不定式作定语需要后置,即放在被修饰的名词或代词后。它通常有以下用法: 1.不定式所修饰的名词可以是人或物,不定式与被修饰词之间有逻辑上的主谓关系或动宾关系。若存在动宾关系,且不定式中的动词是不及物的,其后则需要加上适当的介词。 The next train to arrive(=that would arrive) was from New York. 下一列到站的火车是从纽约开来的。 I have nothing to say(=that I must say) on this question. 在这个问题上,我没什么话要说。 There is nothing for us to worry about. 没有什么值得我们担忧的。 [名师点津] 有时,不定式中的动词尽管是及物的,并且已带了宾语,后面还要加一个适当的介词。 Let's first find a room to put the things in. 咱们先找到一个房间把东西放进去。 2.很多抽象名词后也可用不定式作定语,常见的有:way,time,reason,courage,chance,opportunity,need,drive,determination,decision,wish,effort,promise,ambition,desire,tendency,struggle,intention等。 I have enough time to go shopping with you. 我有足够的时间和你一起购物。 They have an opportunity to go abroad to study further now. 他们现在有一个出国深造的机会。 We must have the courage to admit our mistakes. 我们必须有承认自己错误的勇气。 Could you come up with some ways to solve air pollution 你能提出一些解决空气污染问题的方法吗? [即时训练1] 单句语法填空 ①In many homes in the UK,the first person _____ (wake) up has to make tea for the family. ②The airport _____ (complete) next year will help promote tourism in this area. ③The best way _____ (improve) your English is to join an English club. ④Carol was happy that she had the chance _____ (experience) the life in the city. to wake to be completed to improve to experience 二、不定式作状语 不定式作状语表示目的、原因、结果等,位置一般在句末或句首,句子的主语通常就是不定式的逻辑主语。 1.表示 ... ...

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