小升初英语复习资料:一学生易错词汇 1. a, an的选择: 元音字母开头的单词用an,辅音字母开头的单词用a.2. 定冠词the 的用法: (1)特指某(些)人或某(些)物: The ruler is on the desk. (2)复述上文提到的人或物:He has a sweater. The sweater is new. (3)谈话双方都知道的人或物:The boys arent at school. (4)在序数词前: Johns birthday is on the second of February. (5)用于固定词组中: in the morning / afternoon / evening 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。单数用has , 复数用have. I , you 用 have . 4. there is, there are 的选择:表