2019年秋七年級英語上冊 Unit 2 This is my sister單元語法聚焦二課件 新人教版.ppt

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指示代詞和單數(shù)句與復(fù)數(shù)句的轉(zhuǎn)換,單元語法聚焦二,教材典句,1This is my sister.這是我的姐姐/妹妹。 2Those are my parents.那是我的父母。 3These are my brothers.這些是我的兄弟們。 4This is my friend Jane.這是我的朋友簡。 5Thats my grandfather.那是我的祖父。,6Whos she？她是誰？ Shes my sister.她是我的姐姐/妹妹。 7Whos he？他是誰？ Hes my brother.他是我的哥哥/弟弟。 8Whore they？他們是誰？ Theyre my grandparents.他們是我的祖父母。,語法探究,1指示代詞 (1)定義： 指示代詞是用來指示或標(biāo)識人或事物的代詞。指示代詞表示“這個”、“那個”、“這些”、“那些”等含義。指示代詞有名詞和限定詞的功能。常見的指示代詞有_，_，_，_等。,this,that,these,those,(2)用法： 指示代詞可在句中作主語、賓語和定語。如： _ is a desk.這是一張書桌。(作主語) _ boy is my friend. 這個男孩是我的朋友。(作定語) this和these表示所指的人或物距離說話人比較近，而that和those表示所指的人或物距離說話人比較遠。如： _ is an orange and _ is an apple. 這是一個橙子，那是一個蘋果。,This,These,This,that,從數(shù)上來看，this和that指單數(shù)， these和those指復(fù)數(shù)。如： _ is my mother.這是我媽媽。 _ are my parents.這是我的父母。 this和that用作電話用語時，this指自己，而that指對方。如： Hello, _ is Mary. Is_ Xiaoli? 你好！我是瑪麗。你是小麗嗎？,This,These,this,that,當(dāng)指示代詞在疑問句中作主語時，其答句主語的變化：this, thatit; these, thosethey。如： Is_ a book？這是一本書嗎？ Yes, _ is.是的，它是。 Are_ your friends? 那些是你的朋友嗎？ Yes, _ are.是的，他們是。,this,it,those,they,2單數(shù)句與復(fù)數(shù)句的轉(zhuǎn)換 (1)將單數(shù)句中的指示代詞、人稱代詞、名詞及be動詞等變?yōu)閺?fù)數(shù)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)將單數(shù)句中的不定冠詞a, an去掉(某些固定搭配除外)。 It is an apple. _ _ apples. That is a pencil. _ _ pencils. (3)單數(shù)句中的形容詞、定冠詞、副詞、疑問詞、介詞等保持不變。 The pen is red. The pens are red. What color is the jacket? What color are the jackets?,They,are,are,Those,【注意】名詞作定語時，一般用單數(shù)形式，被修飾的名詞變復(fù)數(shù)時，一般情況下，作定語用的名詞不需要變?yōu)閺?fù)數(shù)形式，但由man或woman作定語修飾的名詞變成復(fù)數(shù)時，兩部分皆要變?yōu)閺?fù)數(shù)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,實戰(zhàn)演練,.寫出下列單詞的復(fù)數(shù)形式 1this_ 2friend _ 3name _ 4is _ 5family _,these,friends,names,are,families,6that _ 7key _ 8boy _ 9she _ 10parent _,parents,those,keys,boys,they,.單項填空 ( )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復(fù)數(shù)名詞用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動詞的用法。this表示單數(shù)，用is; those表示復(fù)數(shù)，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,解析指示代詞this在疑問句中作主語時，其答句的主語用it，故排除選項B和D。根據(jù)“Its my brother.”可知選C。,( )8.Are those your erasers? _ AYes, it is BNo, it isnt CYes, these are DNo, they arent,D,解析根據(jù)題干中的those可排除選項A和B。回答these和those的一般疑問句時，應(yīng)用代詞they來作答，故選D。,.用指示代詞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,.根據(jù)漢語意思完成句子 1他們是我的父母。 _ _ my _ 2那些是你的朋友們嗎？ _ _ your friends? 3那些鑰匙是什么顏色的？ What _ _ those _？,They,are,Are,parents,those,color,are,keys,4她是我的姐姐。 _ is my _. 5“這是你的弟弟嗎？”“是的，他們是。” _ _ your _？ Yes, _ _.,She,sister,Are,these,brothers,they,are,.按要求完成下列各題 1This is a red jacket. (改為復(fù)數(shù)句) _ _ red _ 2Those are oranges. (改為單數(shù)句) _ _ _ orange. 3Are these erasers？(作否定回答) No, _ _,These,are,That,jackets,is,an,they arent,4They are girls. (改為單數(shù)句) _ _ _ _ 5your, is, sister, Lily(連詞成句) _,She,is,a,girl,Is Lily your sister,.根據(jù)漢語提示完成短文 This is a 1. _ (照片) of Mr. Blacks 2._(家庭). The man in the middle is Mr. Black, the 3._ (父親). The woman is the 4._(母親). They have a son and a 5._(女兒). The son is behind Mr. Black. His 6._ (名字) is Jack. He is 10. Kate is Jacks 7._(妹妹). She is 8._(九歲). 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,