三年级英语be动词和人称代词ppt课件.ppt

,am is are,be动词的用法,rfref,mjm,be动词的种类,be动词包括“am”, “is”, “are”三种形式,表达“是”的意思。第一人称单数(I)配合am来用。句型解析析：I am+,I am Snoopy.I am ten years old. I am a student. I am a boy.,rfref,mjm,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.,rfref,mjm,be动词的种类,第三人称单数(He 或 She 或 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 my sister.,rfref,mjm,be动词的种类,复数人称 (we /you/they)配合are使用。句型解析：We /You/They are +,We are in Class 5,Grade 7.We are friends.We are good students.,rfref,mjm,Be的用法口诀 我（I）是am ，你（you）是are; is用于他（he）,她（she），它（it）;单数is,复数are，不要混淆记牢它; 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 。,rfref,mjm,be动词的疑问句,He is a teacher.,be动词提句首,Is he a teacher?,They are twins.,be动词提句首,Are they twins?,I am a good student.,练一练,Am I a good student?,rfref,mjm,be动词的否定句,1.He is a teacher.,He is not a teacher.,2.They are twins.,变否定，be动词后加not,They are not twins.,I am a good student.,练一练,I am not a good student.,rfref,mjm,be动词的缩写,I am= Im You are=YoureHe is= Hes She is=We are= It is=They are=,Shes,Were,Its,Theyre,否定形式的缩写：,is not= isnt are not= arent,am not没有缩写形式！,人称代词是表示我、你、他、她、它、 我们、你们、他们的词。人称代词有人称、数和格的变化，见下表：,人称代词,rfref,mjm,1.主格用来作句子的主语（动作的发出者）。I often go shopping on Sundays.They go to school by bus.2.宾格用来作动词或者介词的宾语（动作的承受者），也可在口语中作表语。Mr. Zhang teaches me English this year.We all look at her.-Open the door, please. Its me.,人称代词用法要点,rfref,mjm,3.人称代词并列用法的排列顺序 1)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 2)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 注：但承认错误时，I 通常在最前。,人称代词分主/宾，只有八对要区分。 你(们)、它主/宾同形，其余主/宾须分清。 谓语之前主格填，动/介之后宾格跟， 口语运用最灵活，表语也可用宾格。 人称代词并列现，注意顺序礼貌见， 二一、三一、二三一，第一人称最谦虚， 若把错误责任担，第一人称须当先。,人称代词记忆口诀,人称代词分主/宾，只有八对要区分。 你(们)、它主/宾同形，其余主/宾须分清。 谓语之前主格填，动/介之后宾格跟， 口语运用最灵活，表语也可用宾格。 人称代词并列现，注意顺序礼貌见， 二一、三一、二三一，第一人称最谦虚， 若把错误责任担，第一人称须当先。,人称代词记忆口诀,rfref,mjm,小练习1、写出下列人称代词的宾格形式 I_ you_ he_ she_ we_ they_2.单项选择(1)_ is a good student,All the teachers like_ very much. A.She;her B.Her;she C.He;her D.she;him(2)Mary,please show _your picture A.My B.mine C.I D.me,him,you,me,us,them,her,A,D,rfref,mjm,动动脑：1. I a girl.am B. is C. are2. He a boy.A. am B. is C. are3. We boys.A. am B. is C. are4. My father a doctor.A. am B. is C. are5. Tom and Jack boys.A am B. is C. are6. This a desk.A. am B. is C. are,A,B,C,B,C,B,rfref,mjm,7. They late.A. am B. is C. are8. You clever.A. am B. is C. are9. The cloud white.A. am B. is C. are10. I a student. You a teacher.A . am is B. am are C. is are11. We friends.A. am B. is C. are12. He my father. She my mother .They both doctors . A. is is are B. am is are C. is is am,rfref,mjm,13._(我) am a teacher.14.My father is talking with _(我).15._(你们) often read English.16._(他) often plays basketball after school.17._(我们) buy a pair of shoes for _(他).18.Please pass_(我们) the ball.19._(他们) are listening to the radio.20._(她) likes to send food to_(他们).,I,me,You,He,We,him,us,They,She,them,rfref,mjm,21._ is my friend. 他是我的朋友。22.My dog likes _. 我的狗喜欢她。23.Who is there? Its _. 是谁啊？是我。24.Come with _. 跟我们来。25._ like _ very much. 他们非常喜欢它。26.Let _ give _ a book. 让我给你一本书。27._ are all Chinese. 你，我，他都是中国人。28.I want to buy some balloons for _. 我想买些气球送给他。,He,her,me,us,They,it,me,you,He, you and I,him,