何谓主系表结构? 主语 系动词 表语 I am Tom. He is here. Ann is ten. 主语与系动词be的对应关系: 我跟am你跟are, is连着他她它, 单数主语用is, 复数主语全用are。 什么是表语? 说明主语的特征、状态、身份等,常由名词、代词、形容词、副词、介词短语等担任。 He is Jim. (名词) I am fine. (形容词) They are here. (副词) She is at home. (介词短语) 主系表结构的肯否问答句型变换: He is ten. He is not ten. Is he ten? Yes, he is. / No, he isn’t. 变疑问be提前,句末问号别忘记; 变否定更容易,be加not要牢记。 缩略形式: I’m = I am you’re = you are he’s = he is she’s = she is it’s = it is we’re = we are they’re = they are he’s not = he isn’t you’re not = you aren’t we’re not = we aren’t they’re not = they aren’t (责任编辑:admin) |