Unit 3 This is my sister. 【最新】七年级英语上第 2单元课 件新目标 课件 单数变复数 this 变 these that 变 those he/she/it 变 they is 变成 are 名词后边加 s: boyboys girl_girls 你的我的他 /她的都不变 . 物主代词不与 a/an并用。 【最新】七年级英语上第 2单元课 件新目标 课件 e.g 1.This is my brother. These are my brothers. 2. Is that your sister? Are those your sisters? 3.She is my friend. They are my friends. 【最新】七年级英语上第 2单元课 件新目标 课件 Is this /that.? Yes, it is./ No, it isnt. Is he /she ? Yes, he/she is ./ No, he/she isnt. 【最新】七年级英语上第 2单元课 件新目标 课件 1.Is this your dictionary? Ye