文档介绍
单词的单数和复数形式 an apple(复数)________ it (复数)______ this (复数)_______ that (复数)_______ is (复数)______ books(单数)________ those(单数)______ these(单数)_______ they(单数)_______ are(单数)_______ apples they these those are a book that this it is 1. It is an apple. 把单数句改为复数句 They are apples. 把单数句改为复数句其实就是 把句子的每个部分的单词分别改为复数形式 1.That is a chicken. 把单数句改为复数句 Those chickens. are 1.This is a dog. 把单数句改为复数句 These are dogs. What are these? 2.What is this? 3. Is that a book? Are those books? 1. These are oranges. 把复数句改为单数句 把复数句改为单数句其实就是 把句子的每个部分的单词分别改为单数形式 This an orange. is 1.They are ducks. 把复数句改为单数句 It is a dog. What is that? 2.What are those? 3. Are these books? Is this a book? 2.They are oranges. 按要求改写句子 3.What are those? 5. It is a pig. 1.This is a bird. 改为复数 改为单数 改为单数 4. Is this a pen? 改为复数 改为复数 That is a chic