as if后面跟had还是had been呢?答：答：我认为应该还是应该用 had happened 3.关于虚拟语气 as if意为“好像，仿佛……似的”，所引导的从句如果表示真实情况，谓语动词用陈述语气。如果表示非真实情况，谓语动词用虚拟语气。因为Eliza所能想起的事都发生在过去，而不是发生在昨天，是非真实情况，所以要用虚拟语气。as if后的谓语动词应...
they talk as if they had been friends for years .这里为什么用had be...答：as if 后面可以接陈述语气和虚拟语气，如果句子的情况是真实的，那么只要保持时态一致即可，如果后面接的并非真实情况，则要按照虚拟语气规则把句子形式改变（简单说就是时态倒退原则）。他们并不是老朋友，所以从句表示与过去事实相反，谓语动词用“had+过去分词”。
as作为关系代词的用法答：as作为关系代词的用法 as之前若有名词，则as = as + the + 前面的名词 + 关系代词（who, whom, which）,因此可以将as 可视为关系代词，并在所引导的从句中作主语，宾语和be动词之后的表语。但只用于下列短语中：注意：① such + n. 之后不可用like（像）加以修饰。Such a man like him is ...
...to me as if he---(be) my father. 那里应该填was还是had been...答：填had been；as if 引导虚拟语气句子，与过去事实相反用过去完成时。
过去完成进行时(had been doing)的被动语态是什么? 过去完成进行时和过...答：被动---had been being done 过去完成时：过去某段时间完成的一个动作，一般用had +过去式 以过去某个时间为标准，在此以前发生的动作或行为，或在过去某动作之前完成的行为，即“过去的过去 如：As soon as we got to the station,the train had left 当我们到达车站是，火车已经开走了 （我们...
have,had,has的用法和区别答：She/He has a small apple.她/他有一个小苹果。2.若句子的时态时一般过去式，则无论人称是哪一种，都是用had。如下列例句：I/You/They/She/He had a car. 我/你/他们/她/他过去有辆车。3.若句子是完成式的形式。则has/have been是表示现在完成时，has用于第三人称单数，had been则用于...
was 动词的过去分词是什么时态答：那是我的过错。Few of my friends were there.（过去式，主语是friends是复数，所以用were）我的朋友中几乎没有人在那里。I have been a resident of the GMT+8 time zone for nearly 40 years. （现在完成时）我在东8时区居住了将近四十年。I felt as if I had been born again.（过去...
虚拟语气as if 引导的从句问题答：楼主问的应该是as if从句使用虚拟语气时候的谓语动词的构成，现简述如下：首先必须把as if从句的谓语动词所表示的动作和主句的谓语动词所表示的动作对比，如果：1）从句动作发生在主句动作之前，则从句使用过去完成时。如：The two strangers talked as if they had been friends for years.首先，句意...
关于英语被动语态答：Two hundred trees have been planted by now. 到现在为止，已经种了二百棵树了。The book has been read many times by me. 这本书已经被我读了许多遍了。Several soldiers have already been killed in the conflict. 在冲突中已经有几名士兵被杀害。6．过去完成时(had been+done)They said ...
英语问题答：现在完成进行时:have/has been doing 过去完成进行时:had been doing 将来完成进行时:shall have been doing 过去将来完成进行时:would have been doing 此时态一般在中学学习 过去分词的构成: 1 、规则动词:规则动词的过去分词的构成规则与规则动词的过去式的构成规则相同。四点变化规则: ⑴、一般动词,...
网友点评：
木帜江18589681725：
时态的十个公式,如下格式:have/has+been+pp.had+been+pp.would+be+pp..越多越好,谢谢 -
沁阳市1776回复：
1. 一般现在时 He cleans the blackboard. The blackboard is cleaned by him. 2.一般过去时 He cleaned the blackboard. The blackboard was cleaned by him. 3.一般将来时 He will clean the blackboard. The blackboard will be cleaned by him. 4.现在进...
木帜江18589681725：
have been 和 had been的区别 -
沁阳市1776回复：
一楼说的对,have been 用在现在完成时态中,如: I have been here for ten years. They have been to Shanghai for a long time.had been 用于过去完成时中.如: I had been to XI'an before I went to Beijing. 在我去北京之前我去过西安.希望能帮到你,祝更上一层楼O(∩_∩)O
木帜江18589681725：
have/had + been/be?总是搞不懂究竟是have/has been还是had been?怎么用?在什么时候请举几个例子再问一问:Had you been to Beijing你曾想过去北京... -
沁阳市1776回复：
[答案] 关于结构二楼和三楼的老师已经讲清楚了,但你举的例子却都没有理解正确!完成时态都表示过去的动作对现在造成的影响或者过去的动作一直持续.所以第一个句子的意思是:你过去去过北京吗?(去北京的动作应该是以过去的某...
木帜江18589681725：
have been +过去分词,和had been+过去分词,有什么区别? -
沁阳市1776回复：
have+been +过去分词,现在完成式的被动语态 English has been taught in China for many years.had+been+过去分词, 过去完成时的被动语态 Cleopatra's nose had been shortened.
木帜江18589681725：
被动语态的用法表格 比如过去式被动语态用have+been+过去分词 -
沁阳市1776回复：
被动语态的各种时态 A 一般现在时,构成:“am/is/are+过去分词”.Most paper work is now done by compter. 现在大多数文书工作都是由电脑完成的. B 一般过去时,构成:“was/were+过去分词”.We were all moved to tears by th ...
