一般现在时语法讲解,句子成分划分,be解析.pptVIP

表语： 表语说明主语是什么，或者怎么样，由名词，形容词，副词，介词短语，不定式，动名词，短语，或者从句充当．表语位于系动词后面． * * I am a teacher. She is happy. Everybody is here. They are at home now. My job is to teach English. Seeing is believing. * * 基本句型 一： （主＋系＋表） 1. This │is │an English-Chinese dictionary. 这是本英汉辞典。 2. The dinner │smells │good. 午餐的气味很好。 3. Everything │looks │different. 一切看来都不同了。 * * 一、系动词的分类： 　　 　　常见的系动词大致可分为三类。 　　 第一类：表示特征或状态的，有be， look， feel， seem， appear， smell， taste， sound， turn out（结果是、证明是）等。 　 　 I feel rather cold. He seems to be ill. 　　The roses smell sweet. 　　The mixture tasted horrible. * * be动词的用法 am is are 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+… I am smart . I am ten years old. I am a student. I am a boy. be动词的种类 第二人称(You)配合are使用。 句型解析：You are+… You are my good friend. You are a good person. You are beautiful. 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 +…… She is a good girl. She is so cute. She is a teacher. 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 +…… We are in Class 5,Grade 7. They are my friends. You are good students. 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 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 ` 把下列句子改为一般疑问句： 1.Mary is an English girl. 2.His name is Tom Hanks. 3.Miss Chen is from Jinhua. 4.Daming and Wang Hui are good friends. Is Mary an English girl? Is his name Tom Hanks? Is Miss Chen from Jinhua? Are Daming and Wang Hui good friends? 把下列句子改为否定