Welcome Unit 第3课时Discovering Useful Structures（教学课件）-2023-2024学年高一英语同步精品课堂（人教版2019必修第一册）

Welcome Unit Period 3 Discovering Useful Structures A thousand-mile journey begins with the first step. --Laozi 一、介绍与其重要性 句子是写作的基本单位，只有写好句子才有可能写好文章。英语的句子成分有八种： 主语、谓语、表语、宾语、定语、 状语、同位语, 主语补足语和宾语补足语。 ●学会判断句子成分对以后学习难句奠定了基础。 英语句子的构成也有其特定的规律，掌握了句子 的基本句型、常见句式和词语的习惯搭配， 就能写出完整、正确的句子。 英语的句子成分： 一） 主语：是一个句子所叙述的主题， Walls have ears. He will take you to the hospital. Three plus four equals seven. To see is to believe. Smoking is not allowed in public places. Whether or not they will come depends on the weather. 二）谓语由_____________担任。助动词或情态动词加其他动 词的适当形式也构成谓语动词。说明主语所做的动作或状态.动词有着各种时态的变化 Action speaks louder than words. The chance may never come again. Mary has been working at the dress shop since 1994. 动词/动词短语 名词 代词 数词 to do不定式 doing动名词 句子 （三）宾语 表示动作的对象，是动作的承受者。宾语一般放在___________之后。_____词后也会跟宾语。 She covered her face with her hands. We haven't seen her for a long time. Do you mind opening the window? Give me four please. He wants to dream a nice dream. We need know what others are doing. We should care more about our friends. 动词/动词短语 介词 名词 n 代词 pron 动名词 代词和数词 to do不定式 句子 介词+名词 宾语种类： （1）双宾语（间接宾语+直接宾语） You lend me your dictionary. My mother bought my brother a computer. （2）复合宾语（宾语+宾语补足语） They elected him their monitor. I find the homework difficult to finish. （四）表语 它的位置在_______________之后。是用来说明主语的_______,______, _______的. My father is a professor. Who's that? It's me. Everything here is expensive. The match became very exciting. The story of my life may be of help to others. Three times five is fifteen. His plan is to seek work in the city. My first idea was that you should hide your feelings. 系动词、连系动词 性质 特征 状态 名词 n 代词 pron 形容词 adj adj 介词短语 数词 to do不定式 句子 常见的系动词有: be(am,is,are,were,was), look,seem,feel,smell,taste,sound, keep,stay,become,get,grow,come,go, …. The cake tastes nice. The water feels cold. These