语法点九 be 动词-【培优计划·语法阅读培优】2023-2024学年三年级英语上册语法阅读培优（外研版一起）

三年级英语·上册 25 语法点九 　　be 动词 语法一点通 读一读，学会 be 动词的用法 含义：be动词充当句子的谓语。它常与名词、形容 词等一起使用。 链接教材功能句式： 1.We􀆳re making a cake.我们正在做一个蛋糕。 2.Amy􀆳s playing the piano.埃米正在弹钢琴。 3.This is Qiqi.这是琪琪。 4.It􀆳s broken! 它坏了! 5.Are you going to Hong Kong? 你将要去香港吗? 6.Look, that􀆳s my uncle. 看,那是我叔叔。 7.You􀆳re a clever boy. 你是一个聪明的男孩。 01 一般现在时中 be 动词的搭配 (1)与人称代词的搭配 I搭配am, he/she/it搭配is,we/you/they搭配are。 (2)与其他主语的搭配 主语为单数或不可数名词时,搭配is使用;主语为 复数时,搭配are使用。 02 记忆小口诀 我(I)用am,你(you)用are, is跟着他(he)她(she) 它(it);单数不可数用is, 复数全部都用are。 名师点睛 be动词在一般过去时 中会变为其过去式形 式。am 和is的过去 式 是 was。are的 过 去式是were。 三年级英语·上册 26 语法自主测 测一测，看你掌握了多少 Ⅰ.单项选择。(难度☆) ( )1.Look at the dog. It very lovely. A.is B.are C.am ( )2.Who the policeman over there? A.are B.is C.be ( )3.Amy and Lingling girls. A.are B.is C.be ( )4.—What Lingling􀆳s uncle? —He􀆳s a driver. A.are B.is C.be ( )5.I Alice. I have got a new dress. A.is B.are C.am ( )6.Here your umbrela. A.is B.are C.am ( )7. there a table under the tree? A.Are B.Is C.Am ( )8.Which your bag? A.is B.are C.am ( )9.How many students there in your class? A.is B.are C.am ( )10.I riding my bike. What are you doing? A.is B.are C.am 三年级英语·上册 27 Ⅱ.用方框中所给词的适当形式填空,可重复使用。(难度☆) am is are 1.How old you? 2.What those over there? 3.What you doing? 4.The snakes very long. 5. you Chinese? 6.This dog big and fat. 7.I a pupil. 8.Ms Smart an English teacher. 9.—Where Peter? —He􀆳s in Beijing. 10.Amy and Sam going to run a race on sports day. 11.—What􀆳s this? —It a car. 12. Lisa making a cake? Ⅲ.用be动词的适当形式填空。(难度☆☆) I 1. a girl. My name 2. Kate. I 3. 8 years old. Here 4. a photo of my family. Look! These 5. my parents and those 6. my grandparents. This boy 7. my brothe