Be动词的用法:现在时 am, are, is, 否定: am not, are not, is not, 否定缩略式 I'm not,isn't, aren't 过去时 was, were 过去时否定缩略式 wasn't, weren't
系动词Be有:肯定 否定am am notis is not=isn'tare are not=aren'twas was not=wasn'twere were not=weren't
be动词的否定形式后可以接动词的现在分词形式或者过去分词形式.1.接现在分词,表示动作没有正在进行,如:He is not reading now.他现在没有在看书.2.接过去分词,表示被动,如:I am not invited by him to his birthday party.我没有被邀请去参加他的生日聚会.
be动词和一般动词否定是不一样的,be动词的否定式是直接在be动词后面加not,一般动词后面不能直接加not,需要借助于助动词do、does、did再加not,助动词后面一定用的是原形动词,如:I didn't answer the phone.I wasn't answering the
be 动词加动词的ing表示现在进行时肯定形式,在be动词后面加not再加动词ing表示现在进行时的否定,所以是可以的
be的否定形式有isn't,aren't,wasn't,weren't
否定句: 主语+ be + not + 其他★ be动词用法歌:我用am,你用are,is 连接他她它. 单数名词用is,复数名词全用are.变疑问,往前提,句末问号莫丢弃; 变否定,更容易,be后not莫忘记;疑问否定任你变,句首大写莫迟疑.★ be动词作谓
过去式am,is-was are-were否定式am-am not is-isnt are-arent
你说你的这种问句,叫做否定疑问句,在回答上,由于两种语言的习惯不同,确实,在意思上有差别,但是,要掌握的英语的习惯,也就不难掌握了.Isn't he tall?(难道他不高吗?)-Yes,he is (不,他很高) 这里的“yes＂翻译成汉语时,是
be (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't are are not=aren't was was not=wasn't were were not=weren't am 与 not 一般不缩写.如:i am not li ping. 或i'm not li ping.句子变为否定句时,把否定词not加