英語中的be動(dòng)詞也叫系動(dòng)詞.ppt

1、Units 1-5 Units 1-5 Grammar,Grade 7 （上）,Be動(dòng)詞,英語中的be動(dòng)詞也叫系動(dòng)詞，具體體現(xiàn)形式有am, is, are 三種。其用法可以用一個(gè)兒歌來概括：,我(I)后am, 你(you)后are; is 管著他(he)、她(she)、它(it); 單數(shù)is, 復(fù)數(shù)are； 肯定變否定，請(qǐng)把not加； 若要變疑問，盡管往前拉。,請(qǐng)用be動(dòng)詞的適當(dāng)形式填空：,I _ a girl. My name _ Mary. I _ in Class 2, Grade 7. I _ 12 years old. Here _ my family photo. Look! Th

2、ese _ my parents and those _ my grandparents. This boy _ my brother. He _ 15 years old now. That _ my cat, Mimi. It _ very lovely（可愛）.,am,am,am,is,is,is,is,is,are,are,is,請(qǐng)翻譯下列句子：,1、這是一支鉛筆。 2、那不是你的雙肩背包。 3、他是我叔叔。 4、他們是我的表兄弟。 5、這不是她的手表。,This is a pencil.,That isnt your backpack.,He is my uncle.,They ar

3、e my cousins.,This isnt her watch.,6. 我最喜歡的科目是英語。,My favorite subject is English.,請(qǐng)翻譯下列句子：,1、你是Bob 嗎？是的，我是。 2、這是你媽媽嗎？不，她不是。她是我姑姑。 3、那些是你的書嗎？是的。 4、你的鋼筆在那兒？ 5、這是什么？,Are you Bob? Yes, I am.,Is this your mother? No, it isnt. She is my aunt.,Are those your books? Yes, they are.,Where is your pen?,Whats (

4、=What is) this?,你能總結(jié)出be動(dòng)詞的各種句式嗎？ 肯定句： 否定句： 一般疑問句： 肯定答語： 否定答語： 特殊疑問句：,主語+be(am, is, are)+其它.,主語+be(am, is, are) +not +其它.,Be(Am, Is, Are) +主語+其它？,Yes, 主語（代詞）+be(am, is, are).,No, 主語（代詞）+be(am, is, are) +not.,疑問詞+be(am, is, are) +其它？,請(qǐng)根據(jù)要求改變句型: This is a ruler. （改為否定句） Im a student. （改為一般疑問句并肯定回答） The

5、se are her things.（改為否定句） That is my sister. （改為一般疑問句并否定回答）,This isnt a ruler.,isnt =is not,Are you a student? Yes, I am.,These arent her things.,arent = are not,Is that your sister? No, it isnt.,請(qǐng)繼續(xù)做下面的題目： 5. Those are erasers. （改為一般疑問句并肯定回答） 6. This is an orange. （提問劃線部分） 7. These are apples. （提問劃

6、線部分） 8. My notebook is on the desk. （提問劃線部分）,Are those erasers? Yes, they are.,Whats this?,Whatre (=What are) these?,Where is your notebook?,名詞n.,名詞單數(shù)變復(fù)數(shù)的規(guī)則,1、一般的名詞在詞尾直接加s.,2、以s, x, sh, ch結(jié)尾的名詞在詞尾加es.,3、以o結(jié)尾的名詞，有的加s, 有的加es.,4、以輔音字母+y結(jié)尾的名詞，要變y為i，再加es。,5、不規(guī)則變化,child,man,woman,children,men,women,寫出下列名詞

7、的復(fù)數(shù),boy key family dictionary party city documentary strawberry watch calss speech bus Wish tomato,1.boys 2.keys 3.families 4.dictionaries 5.parties 6.cities 7.documentaries 8.strawberries 9.watches 10.classes 11.speeches 12.buses 13.Wishes 14.tomatoes,明察秋毫：觀察下列句子單數(shù)變復(fù)數(shù)的規(guī)律,This is a pen. That is an e

8、raser. It is a dictionary.,These are pens.,Those are erasers.,They are dictionaries.,總結(jié)一下吧：,this that he/she/it am/is a/an 名詞,these,those,they,are,省去,變復(fù)數(shù),一顯身手：把下列句子變?yōu)閺?fù)數(shù),This is my sister. It is a watch. That is an orange. What is this? Its his key.,These are my sisters.,They are wateches.,Those are

9、oranges.,What are these?,Theyre his keys.,請(qǐng)把下列單數(shù)句子變?yōu)閺?fù)數(shù),1. This is an English dictionary. 2. He is my friend. 3. Is it a clock? 4. Is this your pen? No, it isnt. 5. Is that his backpack? Yes, it is. 6. I am a student. 7. Whos that?,These are English dictionaries.,They are my friends.,Are they clocks?

10、,Are these your pens? No, they arent.,Are those his backpacks? Yes, they are.,We are students.,Who are those?,名詞所有格：表達(dá)屬于某人所有即“某人的”時(shí)，要用名詞所有格。單數(shù)名詞的所有格在該詞后加s，以s結(jié)尾的復(fù)數(shù)名詞的所有格，只加。,1、這兒是我媽媽的商店。 Here is _ _ store. 2、Cindy是你姐姐的好朋友。 Cindy is _ _ good friend. 3、這是李明的新書包。 This is _ new backpack. 4、Helen的生日在十月。 _

11、 bithday is in October.,my mothers,your sisters,Li Mings,Helens,5、九月十日是教師節(jié) September 10th is _ Day. 6、兒童節(jié)是六月一日。 _ Day is June 1st. 7、這些是Amy 和Sandra的書。 These are _ and _ books. 8、史密斯太太是Jim 和 Mary 的媽媽。 Mrs. Smith is _ and _ mother. 9、我朋友的愛好是彈吉他。 _ _ hobby is playing the guitar.,Teachers,Childrens,Amys

12、 Sandras,Jim Marys,My friends,代詞pron.,人稱代詞:指代“你，我，他”、“你們，我們，他們”。發(fā)出動(dòng)作時(shí)，用主格；做動(dòng)詞或介詞賓語時(shí)，用賓格。,me,us,you,you,him,she,it,them,物主代詞：表示某人的,our,your,their,her,指示代詞：,this-these,that-those,my,your,his,its,Mary works in a store. _ likes _ work very much. Jim and _(me) are in the same class. _(our) go to school a

13、t 7:30. I have many friends. Some of _(they) like playing tennis. Can you help _(we)? I have two good friends. _(they) names are Jim and Tom. Nick is a boy. _ is from America. _ has a happy family. _ parents work in China. _ teach English in a school. Nick has a sister. _ name is Kim. _ is only 3 years old.,She,her,I,We,them,us,Their,He,He,His,They,Her,She,用隨給詞的適當(dāng)形式填空:,_ (Tom)father is a player. _ (I) pen is in the bag. _ (our) go to school at 7:30. _ (he) favorite color is y