作业帮They were sitting by the river分析一下这句话,特别是were sittingsit 为什么要加ting，有什么意义或者说用到了什么样的语法
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They were sitting by the river分析一下这句话,特别是were sittingsit 为什么要加ting，有什么意义或者说用到了什么样的语法
They were sitting by the river
分析一下这句话,特别是were sitting
sit 为什么要加ting，有什么意义或者说用到了什么样的语法
They were sitting by the river分析一下这句话,特别是were sittingsit 为什么要加ting，有什么意义或者说用到了什么样的语法
他们正坐在河边.过去进行时,表示过去某一时刻发生的动作.
他们正坐在河边。这是过去进行时，至于为什么用这个时态得联系上下文来理解。你这里单独列出一个句子，无从着手分析啊。
They（主语） were（谓语） sitting by the river（宾语）
过去进行时嘛，个人认为跟一般过去时的不同是持续时间长。。。
他们坐在河边。
were sitting , 是过去进行时
补充：如果你要用sit，那就直接用they sitted by the river. 一般过去式，他们在河边坐过。
至于到底用那种时态，是看上下文的，如果你描述的是一副照片，或者是讲诉过去发生的事情，一般用were sitting.
这句话的意思是：他们坐在河边，用的是过去进行时态
这里they是复数，所以在be动词的选择上用were，后面跟doing(sitting).这是过去进行时态的结构
They were sitting by the river分析一下这句话,特别是were sittingsit 为什么要加ting，有什么意义或者说用到了什么样的语法
they were sitting behind me.(改为同意一句）
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SITTING BY THE
They'II make a change from sitting by the seaside 汉译英?
They were surprised to see that they were b_____ by the river again.
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By whom were they made to stand here?翻译,
THey were indroduced by an old friend ten years ago
英语翻译Now they were sitting in a huge room listening to te sales manager.Most of the salespeople were really excited by the meeting.Who 's got the greatest dog food in the world?he called out We have!the salespeople shouted.