英语什么时候用to和is_英语什么时候用to和is

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剖析一道英语题目:Is this factory ____ you used to work?但关键在于原句主干结构不允许这样用。若选in which,句子变为“Is this factory in which you used to work?”,还原后“This factory is in which y... 时间、地点、原因,无需额外加介词,因为它们本身就是介词加关系代词的压缩形式。所以以后碰到类似“Is this the place _ you.”或“Is that the...

英语题目解析:Is this factory ____ you used to work?但关键在于原句主干结构不允许这样用。若选in which,句子变为“Is this factory in which you used to work?”,还原后“This factory is in which y... 时间、地点、原因,无需额外加介词,因为它们本身就是介词加关系代词的压缩形式。所以以后碰到类似“Is this the place _ you.”或“Is that the...

90%人选错这道英语题!“when and where”后跟is还是are?谓语动词用单数形式。例如: - How to improve English is a common question.(如何提高英语是个常见问题。) - When to start the project has not been discussed.(何时启动项目尚未讨论。) 反之,若结构明确表示两件及以上独立的事,则主语为复数,谓语动词用复数形式。例如: - What to eat a...