It is now being sent to his home by train ,这里being什么用法

It is now being sent to his home by train ,这里being什么用法 it is now being sent to his home by train being怎么解释 It is now being sent to his home by train.这句话里为什么要加being?能不能去掉呢? It is now being sent to his home by train.这里的being是干嘛用的? It is now being sent to his home by train.这是形式主语么?怎么理解it is这里有is了,怎么还可以有 being sent,这不就变成两个谓语动词了么 now the bicycle was sent to his home by train对不对?求高人详细说明和 it is now being sent to his home by trian有什么不同?was换成is It is now being sent to his home by train.关于这句中it is部分的时态的疑问the policeman told him, the bicycle was picked up in a small village four hundred miles away. It is now being sent to his home by train.这句是新概念二里的 It is now being sent to his home by train的时态问题the policeman told him,the bicycle was pinged up in a small village four hundred miles away.It is now being sent to his home by train 这个句子是一个间接引语,为什么是it is 而不 it's now being sent to his home by train.now如果放在最后句子意思不会改变吗 请详细讲解以下句子The fish,where it has since been sent to a museum where it is being examined by a scientist,is called oarfish. it is being shown now. 这句这么理解?从时态语态来分析 英语翻译I dont have a computer right now,it is being fixed at the computer shop since The fish,which has since been sent to a museum where it is being examined by a scientist,is called an oarfish. since在这里是什么意思?the fish,which has 【since】 been sent to a museum where it is being examined by a scientist,is called an oarfish. The fish ,whih has since been sent to a museum where it is being examined by a scientist ,is called an oarfish.中的since是什么意思? The fish,which has since been sent to a museum where it is being examined by a scientist,is called an oarfish. 一道英语完形,高手速进Now he has a new computer, Mike is wondering what will happen to the old one. Well, after being broken down into small pieces, it was sent to china by ship. Things like this ___1____ every day. Last month Hong Kong offi 1.-Listen,my flight is being announed.I must be off now.-Bye._____A.Happy landing B.Think you for seeing me off C.Take it easy D.I will go with you 2.In a flash,the explosion sent glass ____everywhere,hurting a great many people standing by.A.to fly