ID: 25301591

【培优方案】UNIT 5 Learning from nature(课件)外研英语选择性必修第三册

日期:2026-04-01 科目:英语 类型:高中课件 查看:70次 大小:6309206B 来源:二一课件通
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课件,第三,必修,选择性,英语,外研
    (课件网) Section Ⅱ Using language 1 重难语法·要攻克 目 录 3 课时检测·提能力 2 知识要点·须拾遗 重难语法·要攻克 掌握核心语法 1 复习:非谓语动词作主语、宾语和表语 ①It is natural to think in this way ... ②Today,architects continue to explore ways to capture the beauty of natural forms, ... ③People whose interest is exploring the relationship between art and science will enjoy Singapore’s ArtScience Museum. ④...it appears to float above the waterfront promenade and the water that surrounds it. ⑤Visitors are often amazed to find themselves in an urban building that so truly captures the beauty of natural forms. ⑥To use biomimicry is to create structures based on natural forms and processes. ⑦Creating buildings such as these enables us to live in closer harmony with our environment. 【我的发现】 1. 以上句子中,句①和句⑥中的To use biomimicry为动词不定式短语 作 ,有时可以用 作形式主语而把动词不定式短语放 在后面,如句①;句②中的动词不定式短语作 ;句④和句 ⑥中的to create structures为动词不定式短语作 。 2. 句③中的动词-ing短语作 ;句⑦中的动词-ing短语作 。 3. 句⑤中为过去分词作 。 主语  it  宾语  表语  表语  主 语  表语  一、非谓语动词概述  非谓语动词有三种:动词不定式、动词-ing形式和过去分词。非谓 语动词在句中不可单独用作谓语,没有人称和数的变化,但可以有自 己的宾语、状语等。 二、非谓语动词的形式 形式 主动形式 被动形式 动词不定式 一般式 to do to be done 进行式 to be doing ——— 完成式 to have done to have been done 完成进行式 to have been doing ——— 动词-ing形 式 一般式 doing being done 完成式 having done having been done 过去分词 done ——— 名师点津 非谓语动词的否定形式是在非谓语动词的前面直接加not,如not to do, not doing, not to be done, not having done。 三、非谓语动词的句法功能 句法功能 形式    主语 宾语 表语 定语 状语 补语 动词不定式 √ √ √ √ √ √ 动词-ing形式 √ √ √ √ √ √ 过去分词 √ √ √ √ 四、非谓语动词的语法功能 1. 非谓语动词作主语 (1)动词-ing形式和动词不定式作主语的区别:动词-ing形式 作主语多指抽象的、概念性的动作,可以是多次的、经常 性的行为;动词不定式作主语表示具体的动作,尤指一次 性的动作。 To teach you English is my job. 教你们英语是我的工作。 Travelling along the old Silk Road is an interesting experience. 沿着古老的丝绸之路旅行是一次有趣的经历。 (2)动词-ing形式和动词不定式作主语,都可以用it作形式主语, 经常用于以下句型中: ①It is/was no use/good/worth ... doing sth ②It+be+名词+to do sth ③It+be+difficult/easy/important/impossible/necessary ...+ for sb to do sth ④It+be+careless/clever/foolish/honest/kind/wise ...+of sb to do sth It is important for the data to be updated regularly. 数据经常被更新是重要的。 It is no good playing computer games all day long. 整天玩电脑游戏是不好的。 【即时演练1】 单句语法填空 ① (expose) to the sunlight does great harm to your skin. ②It’s hard (distinguish) one twin from the other. ③It took him about a month (accustom) himself to the senior high life. ④ (face) up to your problems ... ...

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