Unit 1 重要语法精讲 (动词be的一般现在时) -2023-2024学年七年级上册英语单元核心知识（牛津译林版）

动词be的一般现在时 译林版七年级上册 Unit 1 Grammar 目录-CONTENTS 01 定义 02 结构 03 句型 04 练习 01 动词be的一般现在时 定义 01 动词be的一般现在时 定义 定义 动词be的一般现在时通常表示状态和事实。 举例 I am a student. 我是一名学生。 She is tall and slim. 她又高又苗条。 The girls are twelve years old. 女孩们是十二岁。 主语可以是人称代词， 也可以是名词。 动词be要与主语保持一致。 02 动词be的一般现在时 结构 02 动词be的一般现在时 结构 举例 I am a doctor. Where am I? 动词be的一般现在时结构为：am、is、are am 用于I (我) 02 动词be的一般现在时 结构 举例 His home is near the river. Is your name Kitty? 动词be的一般现在时结构为：am、is、are is 用于第三人称单数： she，he，it，our school，the boy，my name… 02 动词be的一般现在时 结构 练一练 the book a pen his house the black cat our school my parents some juice people their English teacher Tom and his father Lisa and I the nurses a boy with big eyes a lot of water some orange a lot of oranges big ears a little horse 找出是三单的主语 02 动词be的一般现在时 结构 举例 My father and I are at home now. What are these? 动词be的一般现在时结构为：am、is、are are 用于you和复数： they，we，you，the students，Anne and I… 02 动词be的一般现在时 结构 如果主语是代词，动词be与主语可以缩写： am I am = I’m is she is = she’s he is = he’s it is = it’s are they are = they’re we are = we‘re you are = you’re 03 动词be的一般现在时 句型变化 03 动词be的一般现在时 句型变化 否定句：在be后加not 举例 I am from the UK. Alice is good at Chinese. Some students are in Grade Seven. is 缩写 is not = isn’t are not = aren’t not not not 03 动词be的一般现在时 句型变化 一般疑问句：将be提前至句首 举例 you in the classroom? Yes, I No, I not. the bike new? Yes, it . No, it . her parents workers? Yes, they . No, they . is Are am. ‘m Is is isn’t Are are aren’t 03 动词be的一般现在时 句型变化 特殊疑问句：疑问词+一般疑问句 举例 Where your storybook? Who the girls over there? What your telephone number? is is are are 03 动词be的一般现在时 句型变化 1. Tom is in the Reading Club. 否定句： 一般疑问句并作否定回答： 2. Joe and his brother are happy. 否定句： 一般疑问句并作肯定回答： Tom isn’t in the Reading Club. Joe and his brother aren’t happy. Are Joe and his brother happy