七年级上册第一单元语法.docxVIP

本单元的语法一．Grammar: Pronouns（代词）代词是代替名词及起名词作用的短语或句子的词。代词根据其意思和用法可分为人称代词、物主代词、指示代词、相互代词、疑问代词、连接代词、关系代词、不定代词等九类。人称代词人称单数复数主格宾格主格宾格第一人称Imeweus第二人称youyouyouyou第三人称hehimtheythemsheheritit?（1）人称代词主格：作主语，表示谁怎么样了、干什么了。如：I am a teacher. You are student. He is a student, too.We/You/They are students.（2）人称代词宾格作宾语，表示动作行为的对象。如：Give it to me.? Let’s go (let’s =let us)物主代词表示所有关系的代词叫做物主代词，也可叫做代词所有格。物主代词分形容词性物主代词和名词性物主代词二种，其人称和数的变化见下表。数、人称、类别单数复数第一人称第二人称第三人称第一人称第二人称第三人称形容词性物主代词myyourhisheritsouryourtheir名词性物主代词mineyourshishersitsoursyourstheirs形容词性物主代词(my/your/his/her/its/our/their)+名词。如：her book my teacher his bike（2）名词性物主代词则相当于“形容词性物主代词+名词”,故其后不必加名词。如：Is this your book?No,，it isn’t， it’s hers(her book)This pen is mine.（3）注：人称代词并列用法的排列顺序单数人称代词并列作主语时，其顺序为：第二人称-第三人称-第一人称即：you and I; he/she/it and I; you, he/she/it and I 复数人称代词作主语时，其顺序为：第一人称-第二人称-第三人称即：we and you; you and they; we, you and they 但承认错误时，I 通常在最前。 I and Mary are to blame(责备).练一练1. This is not _____ desk. My desk is over there.2. －Can you spell _____ name, Harry? －Sorry.3. Tom and Jack are brothers. This is _____ room.4. We are in the same class. _____ classroom is very nice.5. Mrs Green is my teacher. I’m _____ student.6. That’s a cat. _____ name is Mimi.7. Tom is in the room. This is _____ pencil-box.8. Sam and Peter, look at _____ hands(手). They are so dirty.9. －Mike, is this _____ picture? －Yes, it is.10. －Can we put(放) _____ shorts here? －Yes, you can.11. Mom, they are _____ classmates Rose(女) and _____brother　David.12. Jack, where are _____ socks?答案：1.my　2.your　3.their　4.Our　5.her　6.Its 7.his　8.your　9.your　10.our　11.my,her　12.your改错，判断下列句子中的代词是否有错误，如果有请改正。1．I like he. 2. This car is your. 3.We call they lions(狮子). 4. Those model planes are my. 5. Can me help you? 6. What is shename? 7. She is reading(读) a book for they.8. This book isn’t her, it’s mine.二．Be动词的用法当使用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动词包括“am”, “is”, “are”三种形式。第一人称单数I配