英语中什么是逻辑主语,什么是伴随状语?

因为英语讲究一个金字塔结构（无论是句子还是段落）,头要小,脚要重.所以当句子的主语或者主语部分过重（就是指字太多）时,我们就引入一个逻辑主语（it）放在句首充当主语,而真正的主语就可以用不定式（to do sth）放在句子后面 例如 It is important for us to study English well it就是逻辑主语 to study English well 就是真正的主语 所以翻译起来就是 学好英语对于我们很重要 其实就是 TO stydy English well is important for us.伴随状语是指状语从句的动作伴随主句谓语一同发生.它的特点是：它所表达的动作或状态是伴随着主句谓语动词的动作而发生或存在的.伴随状语出现的条件是：1、一个主语同时发出两个动作 2、同一个主语处于两种状态,3、或一个主语发出一个动作时又伴随有某一种状态.伴随状语的逻辑主语一般情况下必须是全句的主语,伴随状语与谓语动词所表示的动作或状态是同时发生的.伴随状语可以有以下几种表示方法：一、使用分词形式 The dog entered the room,following his master(这条狗跟着主人进了屋).The master entered the room,followed by his dog(主人进了屋,后面跟着他的狗).二、用with复合结构 The little girls were playing with snow with their hands frozen red(小女孩们在玩雪,手都冻红了).The workers went out of work,talking and laughing all the way(工人们下班了,一路有说有笑).三、用独立主格结构 Last year I came here by climbing over the wall,sword in hand.The little boy goes to school,the little dog accompanying him every day(这小孩每天去上学,那条小狗陪伴着他).四、用形容词 Crusoe went home,full of fear(克鲁索满怀恐惧地回家).Confident of the victory the players are fighting hard(运动员们对比赛夺胜满怀信心奋力拼搏).The match will be broadcast live(这场比赛将作实况转播).He left home young and came back old(他少小离家老大回).五、用名词 He went away a beggar but retumed a millionaire(他讨吃要饭离家,腰缠万贯回归).He who had been twice prime minister of the country,died civilian(他曾两度出任这个国家的总理,而死的时候却是一个平民).六、用介词短语 The girl came back to her mother in tears.(这女孩眼泪汪汪地回到母亲身边).How can you go to the wedding party in rags(你怎能衣衫褴褛地去参加婚宴)?I went home out of breath(我上气不接下气地回家).