1. 简单现在时的否定形式: - 主语 + be动词 + not + 宾语或主语补足语 - 例句:He is not a teacher.(他不是老师。) - 例句:She is not at home.(她不在家。) 2. 一般过去时的否定形式: - 主语 + was/were + not + 宾语或主语补足语 - 例句:She was not in the library yesterday.(她昨天不...
❶be (is/are/am/was/were)动词否定形式的缩写 肯定 否定am am not is is not=isn'tare are not=aren'twas was not=wasn'twere were not=weren't am 与 not 一般不缩写。如:I am not Li Ping. 或I’m not Li Ping.❷句子变为否定句时,把否定词not...
三、想一想。1.Be done中的be动词都有哪些形式?什么时候使用be动词的原形呢2. Be done 的否定形式是什么?Should be done的否定形式是什么 相关知识点: 试题来源: 解析 答案+1. am, i, are, was, were。/位于情态动词之后或者to do不定式的结构中时be动词使用原形。2. Be not done。 /Should not (...
was , were