Unit 1 Art Discover useful structures 动词不定式做表语课件-2023-2024学年高中英语人教版（2019）选择性必修第三册

【版本：新人教　册别：选择性必修三】 Discovering useful structures UNIT 1 ART Infinitives (1) Infinitives as the predicative （不定式做表语） What does infititive mean? infinitive：不定的，无限的 to do/to be 动词 谓语 非谓语 done doing to do 主语单复数，时态，语态 非谓语动词之to do 现在分词，动名词 过去分词 3 四大意义词性 名词 动词 形容词 副词 充当句子成分 主语，宾语，标语，同位语 谓语 宾补，主补，定语 状语 to do ？ Observe To see you is my plan. (不定式作________ ) My plan is to see you. (不定式作________) It is hard to see you.(不定式作______) it to see you 主语 表语 主语 It’s+adj. for sb to do...... 5 I want to see you. (不定式作________) I have a plan to see you.（不定式作________） I have a lot of homework to do.(不定式作______) I come here to see you.(不定式作_______) I ask Tom to see you.(不定式作_______ ) 宾语 宾语补足语 定语 动词不定式不能单独作谓语，可以作主语、宾语、表语、定语、同位语，补语,状语等。 同位语 状语 动词 谓语 非谓语 done doing to do 具有动词的特征 具有名词的特征 具有形容词的特征 具有副词的特征 主语 谓语 表语 宾语 定语 状语 宾补 to do 主语单复数，时态，语态 非谓语动词之to do 7 不定式的时态和语态： 类别 主动语态 被动语态 意义 一般式 to do 完成式 进行式 / 完成进行式 / to be done to have done to be doing to have been doing to have been done 发生在谓语动词之后 发生在谓语动词之前 正在进行 一直持续 Observe grammar 1.Perhaps the best way to understand Western art is to look at the development of Western painting over the centuries. 2.During the Middle Ages, the purpose of Western art was to teach people about Christianity. 3.In this work, Monet’s aim was to convey the light and movement in the scene. 4.What they attempted to do was no longer show reality, but instead to ask the question, “What is art?” infinitives ----predictive 9 Explore 1.Perhaps the best way to understand Western art is to look at the development of Western painting over the centuries Tip 1:主语(事物)＋be＋不定式(作表语)表示主语的具体内容 10 Explore grammar Tip 2:当不定式作表语时，能够担当句子主语的名词比较有限，大多用于表示某种情形或状况，包括advice, aim, ambition, custom, business, desire, difficulty, duty, experience, habit, happiness, hope, idea, intention, job, method, plan, principle, problem, purpose, reason, risk, role, task, thing, wish等。 2.During the Middle Ages, the purpose of Western art was to teach people