2019年秋七年级英语上册 Unit 2 This is my sister单元语法聚焦二课件 新人教版.ppt

指示代词和单数句与复数句的转换,单元语法聚焦二,教材典句,1This is my sister.这是我的姐姐/妹妹。 2Those are my parents.那是我的父母。 3These are my brothers.这些是我的兄弟们。 4This is my friend Jane.这是我的朋友简。 5Thats my grandfather.那是我的祖父。,6Whos she？她是谁？ Shes my sister.她是我的姐姐/妹妹。 7Whos he？他是谁？ Hes my brother.他是我的哥哥/弟弟。 8Whore they？他们是谁？ Theyre my grandparents.他们是我的祖父母。,语法探究,1指示代词 (1)定义： 指示代词是用来指示或标识人或事物的代词。指示代词表示“这个”、“那个”、“这些”、“那些”等含义。指示代词有名词和限定词的功能。常见的指示代词有_，_，_，_等。,this,that,these,those,(2)用法： 指示代词可在句中作主语、宾语和定语。如： _ is a desk.这是一张书桌。(作主语) _ boy is my friend. 这个男孩是我的朋友。(作定语) this和these表示所指的人或物距离说话人比较近，而that和those表示所指的人或物距离说话人比较远。如： _ is an orange and _ is an apple. 这是一个橙子，那是一个苹果。,This,These,This,that,从数上来看，this和that指单数， these和those指复数。如： _ is my mother.这是我妈妈。 _ are my parents.这是我的父母。 this和that用作电话用语时，this指自己，而that指对方。如： Hello, _ is Mary. Is_ Xiaoli? 你好！我是玛丽。你是小丽吗？,This,These,this,that,当指示代词在疑问句中作主语时，其答句主语的变化：this, thatit; these, thosethey。如： Is_ a book？这是一本书吗？ Yes, _ is.是的，它是。 Are_ your friends? 那些是你的朋友吗？ Yes, _ are.是的，他们是。,this,it,those,they,2单数句与复数句的转换 (1)将单数句中的指示代词、人称代词、名词及be动词等变为复数形式 This/That is a ruler. These/_ are rulers. She is in China. They are in China. Im a boy. We _ _,Those,are,boys,(2)将单数句中的不定冠词a, an去掉(某些固定搭配除外)。 It is an apple. _ _ apples. That is a pencil. _ _ pencils. (3)单数句中的形容词、定冠词、副词、疑问词、介词等保持不变。 The pen is red. The pens are red. What color is the jacket? What color are the jackets?,They,are,are,Those,【注意】名词作定语时，一般用单数形式，被修饰的名词变复数时，一般情况下，作定语用的名词不需要变为复数形式，但由man或woman作定语修饰的名词变成复数时，两部分皆要变为复数形式。如： That is an orange quilt. Those are _ _,orange,quilts,She is a woman doctor. They are _ _ His friend is a man teacher. His friends are _ _,women,doctors,men,teachers,实战演练,.写出下列单词的复数形式 1this_ 2friend _ 3name _ 4is _ 5family _,these,friends,names,are,families,6that _ 7key _ 8boy _ 9she _ 10parent _,parents,those,keys,boys,they,.单项填空 ( )1._ my friends. AThiss BThats CThese are DThese is ( )2.Look at the girls! _ are my sisters. AThose BThese CYou DThey,C,解析由后面的“friends”可知用these are。,D,解析代替前文提到的复数名词用they。,( )3.This _ my sister and those _ my friends. Ais; are Bare; is Care; are Dis; is ( )4.Hello, Mary. _ my friends, Jack and Jim. AThis is BThat is CThese are DIt is,A,解析考查be动词的用法。this表示单数，用is; those表示复数，用are。,C,( )5.Are _ her _？ Athis; parent Bthis; parents Cthese; parent Dthese; parents ( )6.Im looking for my key, but I cant find_ Ait Bone Cthis Dthat,D,A,( )7.Is this your classmate? _. Its my brother. AYes, it is BYes, he is CNo, it isnt DNo, she isnt,D,解析指示代词this在疑问句中作主语时，其答句的主语用it，故排除选项B和D。根据“Its my brother.”可知选C。,( )8.Are those your erasers? _ AYes, it is BNo, it isnt CYes, these are DNo, they arent,D,解析根据题干中的those可排除选项A和B。回答these和those的一般疑问句时，应用代词they来作答，故选D。,.用指示代词this, that, these或those填空 1Whats _ over there? Its a bus. 2Are _ your pencils? No, they arent. My pencils are here. 3Are_ your rulers? Yes, they are. I put them here. 4Hello. _ is Mary. Is _ Jack?,that,those,that,these,This,.根据汉语意思完成句子 1他们是我的父母。 _ _ my _ 2那些是你的朋友们吗？ _ _ your friends? 3那些钥匙是什么颜色的？ What _ _ those _？,They,are,Are,parents,those,color,are,keys,4她是我的姐姐。 _ is my _. 5“这是你的弟弟吗？”“是的，他们是。” _ _ your _？ Yes, _ _.,She,sister,Are,these,brothers,they,are,.按要求完成下列各题 1This is a red jacket. (改为复数句) _ _ red _ 2Those are oranges. (改为单数句) _ _ _ orange. 3Are these erasers？(作否定回答) No, _ _,These,are,That,jackets,is,an,they arent,4They are girls. (改为单数句) _ _ _ _ 5your, is, sister, Lily(连词成句) _,She,is,a,girl,Is Lily your sister,.根据汉语提示完成短文 This is a 1. _ (照片) of Mr. Blacks 2._(家庭). The man in the middle is Mr. Black, the 3._ (父亲). The woman is the 4._(母亲). They have a son and a 5._(女儿). The son is behind Mr. Black. His 6._ (名字) is Jack. He is 10. Kate is Jacks 7._(妹妹). She is 8._(九岁). Jack is in Grade 9._(五) and Kate is in Grade Four. They are 10._(好的) students.,photo/picture,family,father,mother,daughter,name,sister,9/nine,5/Five,good,