Unit 1 Personal and family life Language Practice be动词的一般现在时课件-2023-2024学年中职英语高教版（2021）基础模块1

Unit1 Personal and family life Language Practice:be动词的一般现在时 课前检测 ( )1. —_ you Ming ming? —Yes, I _. A. Are; are B.Is; is C. Am; am D. Are; am ( )2. Mary _ from Cuba. A. is B. am C. are D.has ( )3. Her hair _ black and long. A. be B. am C. are D. is ( )4. —What color _ her shoes? —Black. A. am B. is C. are D. be D A D C be 动词之一般现在时 be动词的形式及意义 原形 主语 变化形式 含义 举例 be I am (现在)是 I am a student. 三单 is He is a student. 复数,you are They are students. 单数 was (过去)是 I was a student. 复数 were They were students. 4 be动词一般现在时的概念 一般现在时用来描述客观事实、目前的事实和现在的状态。 I am a teacher. He is a doctor. You are students. 5 人称 Be动词 一般现在时 肯定 否定 I am am am not We are are are not You are are are not He is is is not She is is is not It is is is not Be动词的形式 Be动词的常见缩写形式 I am = _ He is = _ She is = _ It is = _ You are = _ We are = _ They are = _ is not = _ are not = _ am not = _ I’m He’s She’s It’s You’re We’re They’re isn’t aren’t am not Be动词的句式变化 句型形式 句型结构 例句 肯定句 主语+be+... He is a doctor. 否定句 主语+be+not+... He is not a doctor. 一般疑问句 Be+主语+... Is he a doctor? 肯定回答 Yes,主语+be Yes, he is. 否定回答 No,主语+be+not No, he isn’t. 什么是陈述句? 陈述一个观点或事实 陈述句分为肯定句或否定句 以句号结尾 如:She is my sister. (肯定句) 她是我的姐妹。 She is not my sister.(否定句) 她不是我的姐妹。 什么是一般疑问句? 疑问句的一种 中文意思通常以“吗”结尾 用“Yes”“No”来回答 如:Is he your brother? 他是你的兄弟吗? 总结归纳 一、be动词的一般现在时变否定句规则 : 直接在am,is,are后面加“not”,(可缩写) 如:We are friends. (肯定句) We are not friends.(否定句) 二、be动词的一般现在时变疑问句规则: 将be动词 (am,is,are)提到句首。 如:He is a teacher.(肯定句) Is he a teacher? (一般疑问句) 注意事项 一、当主语为I或We,变一般疑问句时,要变为you,且be动词要相应改变。 如:We are friends. (陈述句) Are you friends? (一般疑问句) I am a doctor. (陈述句句) Are you a doctor? (一般疑问句) 二、当句中含有my或our时,变一般疑问句,要变为your. 如:He is my brother.(肯定句) Is he your brother? (一般疑问句) 练一练 1.Where _ Lily from? A.am B.is C.are D.be 2.—How _ your mother? —She _ fine. A.am; is B.is; is C.is; am D.are; is 3.I _ Kate and my last name _ Brown. A.am; am B.is; is C.am; are D.am;is 4.—_ you Alan? —Yes, I _. A.Are, is B.Is, am C.Are, am D.Are, are 一、单项选择 B B D C 5.—Hello! My name _ Betty. —Hello!