【ppt课件】三年级英语be动词和人称代词.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=youre he 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. are 2. he a boy. a. am b. is c. are 3. we boys. a. am b. is c. are 4. my father a doctor. a. am b. is c. are 5. tom and jack boys. a am b. is c. are 6. 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. are 8. you clever. a. am b. is c. are 9. the cloud white. a. am b. is c. are 10. i a student. you a teacher. a . am is b. am are c. is are 11. we friends. a. am b. is c. are 12. 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