PEP小学英语六年级下册复习资料一:学生易错词汇 1. a, an的选择: 元音开头的单词用an,辅音开头的单词用a. 例，an egg, an English book, an hour ;a boy, a ruler, a university student.2. am , is , are的选择: 单数用is , 复数用are. I 用 am , you 用 are. 3. have , has 的选择: 表示某人有某物.第三人称单数用has , 复数一律用have. I ,you 用 have . 4. there is, there are 的选择:表示某地有某物,某人。后面接单数用there is , 后面接复数用there are. 例，There is a girl under the tree. There is a girl and two boys under the tree. There are two boys and a girl under the tree.5. some, any 的选择:肯定句用some, 疑问
