Unit 1 This is me语法知识点be动词的的一般现在时用法-2025-2026学年译林版英语七年级上册

七上译林版 Unit 1 This is me be动词的一般现在时 1.概述 be 动词是系动词的一种，表示“是；成为”的意思。一般现在式有 am，is，are 三种。这三种动词的 原形是 be，所以它们称为 be 动词。 2.动词 be 的用法 ①如果主语是第一人称 1时，动词 be用 am。 I am a student.我是一名学生。 ②如果主语是 you,they或者名词复数(两个或两个以上的人或事物)时，动词 be用 are。 Are you Simon?你是西蒙吗? ③如果主语是单数名词、不可数名词或 he、she、it时，动词 be用 is。 Mr Wu is our English teacher.吴老师是我们的英语老师。 Note: 在非正式行文中，动词 be与前面主语可以缩写。I am =I'm You are = You're We are = We're They are = They're She is = She's He is =He's It is=It's 3.动词 be 的句式结构 句式 结构 例句 肯定句 主语+am( is, are ) +其他. Jane is a lovely girl.简是个可爱的女孩。 I am a middle school student.我是一名中学生。 You are clever. 你真聪明。 否定句 主语+am( is,are)+not+其他. I am not good at maths.我不擅长数学。 一般疑问句 Am (ls,Are) +主语+其他? 肯定回答:Yes,主语+be. 否定回答:No,主语+be +not. 一 ls Tom your classmate?汤姆是你的同学吗? Yes,he is./No,he isn't.是的，他是。/不,他不是。 Note:一般疑问的肯定回答不可以缩写；否定回答除 I am not 只可以缩写为 I’m not 外,其余均可缩写。 is not = isn’t are not = aren’t 4. 口诀巧记忆 动词 be的用法口诀 be动词，很简单，找主语，选 be动。陈述句，主在前；疑问句，主在后。我（I）用 am，你（you)用 are， is连着他(he)，她(she)，它(it)。单数不可数用 is，复数名词全用 are。 Note：碰到 with要小心，真正主语 with前。复合不定是小三，谓语动词用单数，量词充当老大哥，单数 复数由他定。 5. 做题方法步骤 一判二找三确定 ①判断句子是陈述句还是疑问句，即末尾是句号还是问号，句号是陈述句，问号是疑问句；②找出并圈出 主语，若是陈述句，要填的 be 动词前面是主语，一般在开头，若是疑问句，要填的 be 动词后面是主语， 一般紧跟在后面；③根据口诀确定使用的 be 动词。 即学即练 1. Who_______I? 解析：①句末问号为疑问句，主语在后面；②找出主语为 I；③根据口诀：我（I）用 am，所以此处用 am. 答案：am 2. The girl with her parents _______ all Americans. 解析：①句末句号为陈述句，主语在前面； ②碰到 with 要小心，真正主语 with 前，因此找出主语为 The girl; ③he girl 一个人根据口诀：单数不可数用 is,所以此处用 is. 答案：is 3. _______there anything interesting in the park? 解析：①句末问号为疑问句，主语在后面；②找到主语为 anything, 是复合不定代词；③根据口诀：复合 不定是小三，谓语动词用单数，所以此处用 is.句首要注意大写。 答案： Is 4. The two cups of coffee _______ enough for me. 解析：①句末句号为陈述句，主语在前面；②找到主语为 The two cups of coffee;③主语有量词，根据口诀： 量词充当老大哥，有量词，看量词，此处量词是 two cups，是复数，复数名词全用 are，所以此处用 are. 答案：are 5. This pair of shoes _______ beautiful. 解析：①句末句号陈述句，主语在前面；②找到主语为 This pair of shoes; ③主语有量词，根据口诀：量词 充当老大哥，有量词，看量词，此处量词是 this pair, 是单数，单数不可数用 is,所以此处用 is. 答案：is 跟踪训练 一、单项选择(本大题共 20小题) 1．Jim and I _______ good friends. （ ） A．are B．is C．am D．be 2．——. _______ you OK ? —Yes, I am. （ ） A．Am B．Are C．Be D．Is 3. His T-shirt __________ yellow. （ ） A．Is B．am C．Are D. be 4．Look! Some apples ________ on the plate. ( ) A．is B．are C．am D．be 5．—Excuse me. How much ________ the CDs? —$20. ( ) A．do B．is C．am D．are 6．—Is it hot in summer? —________. It’s warm. ( ) A．Yes, it is B．Yes, I am C．No, it isn’t D．No, it is 7．What ________ those boy’s names? ( ) A．Is B．are C．am D. be 8．________ father a teacher? ( ) A．Is your B．Are your C．Is you D．Are you 9．Peter with his parents________ in Shanghai now. ( ) A．is B．am C．are D．/ 10．—Are you Peter? —__________. I’m Mike. ( ) A．Yes, I'm. B．No, I amn’t. C．Yes, I am. D．No, I am not. 11．Look! Someone ________ in the gym. ( ) A．is B．am C．are D．be 12．The shoes ________ big for me. ( ) A．be B．is C．are D．am 13. This pair of shoes ________ big for me. ( ) A．be B．is C．are D．am 14．—Are your books in your bookcase? —________. Oh no, I left them at school. ( ) A．Yes, it is B．No, it isn’t C．Yes, they are D．No, they aren’t 15．—How ______ your mother? —She _______ fine. ( ) A．am; is B．is; is C．is; am D．are; is 16．Look! Some bread _______ on the table. ( ) A．is B．are C．am D．be 17. There _______ a cup of coffee, two bottles of water and a glass of orange juice in the kitchen. ( ) A．is B．are C．am D．be 18．Water ________ important for us. ( ) A．is B．are C．am D．be 19．Who ______ I? ( ) A．is B．are C．am D．be 20. The two cups of milk _____ for me. A．is B．are C．am D．be 二、用所给单词的正确形式填空(本大题共 20小题) 1．Li Ming (be) my good friend. 2．My brother and I in the same school.（be） 3．How old （be） your mum? 4．— （be）you free? —No, I’m not. 5．His parents (be) doctors. 6．— (be) the two pairs of shorts yours? —No, they are not mine. 7．Sally, it’s very cold today. Here (be) your shoes and socks. 8．Where （be） the lions from? 9. Whose dress ______(be) this? 10. Whose socks ______ (be) they? 11. There _______ (be) a boy, two girls, three men and ten women. 12. My sisters’ names ______(be) Nancy and Jane. 13. ______ (be) there anything interesting in the National Park? 14. The knives ________ (be) very sharp. 15. Tu Youyou ______ (be) one of our national heroes. 16. There________(be) a flock（群） of sheep. 17. Three thousand kilometers _________(be) a long way. 18. Each of us_______ (be) polite. 19. Every boy and Every girl of this school ________ (be) lovely. 20. My family ________ (be) big. My family ________ (be) all kind.