七年级英语上学期be动词用法总结.ppt

be动词的用法 be动词的种类 be动词包括“am”, “is”, “are”三种形式。 第一人称单数(I)配合am来用。 句型解析析：I am+… be动词的种类 第二人称(You)配合are使用。 句型解析：You are+… be动词的种类 第三人称单数(He or She or It)配合is使用。 句型解析：She(He, It) is +…… be动词的种类 人称复数 (we /you/they)配合are使用。 句型解析：We (You, They) are +…… 综合解析 当使用be动词的时候，前面请先加上第几人 称。 be动词前面的人称，是不可随意替换的。 例如： I am, You are, She is， 并不会出现I is, You am, She are 这样的情形。 Be的用法口诀 ??I用am；you,we ，they 都 用are, is连着he，she，it；??单数名词用is,复数名词全用are。 ??变疑问，往前提，句末问号莫丢弃。 ??变否定，更容易，be后not莫忘记。 ??疑问否定任你变，句首大写莫迟疑 1.我(I)用am，你(you)用are， is连着他(he)，她(she)，它(it)； 这些是固定用法： I am a boy. (你不能说 I is a boy) You are a student. He is a boy. She is a girl. It is a cat. 2.单数名词用is，复数名词全用are。 (主语个数是一个时，谓语用单数is，主语个数为2个或以上，谓语用复数are.) 如：The book is over there.(一本书） The books are over there.（多本书） Lucy and Lily’s room is very nice . 3.变疑问，往前提，句末问号莫丢弃. 变否定，更容易， be后not莫忘记。 It is a book.变为：Is it a book? It is a book.变为: It is not a book.(否定句） 用动词am, is, are填空(请注意大小写) 1. Where ______ Ann? She ______ here. 2. How old ______ you? I ______ thirteen. 3. ______ you Mr Hand ? Yes, I ______. 4. What ______ your name? My name ______ Fang Fang. 5. What grade ______ you in? I ______ in Grade Two. * am is are I am Snoopy. I am ten years old. I am a student. I am a boy. You are my good friend. You are a good person. You are beautiful. She is a good girl. She is so cute. He is strong. We are in Class 5,Grade 7. They are my friends. You are good students. They are good friends. Lucy’ s and Lilys room are very nice . 4.疑问否定任你变，句首大写莫迟 如：It is a book.变为：Is it a book?(疑问句） is are am is Are is am is are am 用be动词的适当形式填空： My mother __________ a teacher. Your sister _________ ten years old. His students _________ all in the classroom. You and I _______ good friends. I _______ from Guangdong. Lucy _____ an English girl. She _____ in Class Two this year. You _____ our Chinese teacher this term. is is are are am is is are 1._____I??a?teacher?in?a?middle?school? 2._____you?a?worker?or?a?stu