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配套课件ppt（外研版一起）

1 2 语法点九 be动词 3 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。 4 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。 5 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。 6 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 √ √ √ 7 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 umbrella.( ) 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 √ √ √ √ √ 8 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 √ √ 9 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? are 2.What ____ those over there? are 3.What ____ you doing? are 4.The snakes ____ very long. are 5._____ you Chinese? Are 6.This dog ___ big and fat. is 7.I ____ a pupil. am 8.Ms Smart ___ an English teacher. is 10 9.—Where ___ Peter? —He's in Beijing. is 10.Amy and Sam ____ going to run a race on sports day. are 11.—What's this? —It ___ a car. is 12.___ Lisa making a cake? Is 11 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 brother. He 8.___ 4 years old. And that 9.___ my cat. It 10.___ very lovely. am is am is are are is is is is 12 13 14 $