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问题 如何理解 -ing 在作状语成分时有逗号和无逗号的区别？和非限定性定语从句一个道理吗？

如下面几个例句：I was in the kitchen cooking something. 我在厨房煮东西。Four people enter looking around in a curious way. 四个人好奇地环视四周，走了进来。The boy jumped up and down, crying with joy. 孩子们高兴地叫起来，上下...

问题 时态和后置定语

...e （who were/are）too afraid to...我之前见过的都是分词做后置定语，纯粹的形容词可以后置吗？比如 The girl pretty is here/This dog black is cute/This river long flows to the sea .道理上应该是可以。 最后一个问题，这段话来自新闻用的是一般现...

问题 like引导的介词短语能作状语吗？

Like Jack, Bill and Tim also went to the party. 像杰克一样，比利和蒂姆也去了聚会。 原句是 Besides Jack，问问老师用 like 行不行？Like Jack 是什么句子成分。谢谢。

问题 定语从句的从句谓语动词性数是否需要和先行词一致

例句：I am an exchange student who goes abroad for further education.此句里，who后面应该是go还是goes。这里的an exchange student难道指代的不是I吗？既然指代的是I，是不是就应该对应第一人称单数。

问题 独立主格和定语从句的区分

Located in the center of Melboume, Australia, are two tall towers designed by building architect Phil Rowe, both of them  shaped like massive tree houses rather than skyscrapers.这里的them用法是因为属于独立主格吗？ shaped 属于过去分词短语作定语？

问题 what引导名词从句用法

One day the boy went to ask a favor of the Prince of Denmark. When the Prince asked him what he wanted, the boy said, “I want to write plays in poetry and to act at the Royal Theater.” The Prince looked at the boy, at his big hands and feet, at his big nose and large serious eyes, and gave a sen...

问题 while doing 用法

请问曹老师，when和while这里引导的分别是什么从句，while doing是什么用法？Its Intelligent Transport System tells drivers when roads are crowded, while changing traffic lights and planning alternative routes that drivers can follow.

问题 分词作定语时前面是否用逗号隔开的问题

过去分词或者现在分词作定语修饰前面句子中的宾语或者表语，而且这个定语与前面的宾语或者表语用逗号隔开，有这样的句子吗？我在网上搜了一下，只看到要么是不用逗号隔开，修饰前面宾语或者表语的，要么是用逗号隔...

问题 状语从句的时态对应问题(除主将从现规则外主要靠语境判断吗)

老师，时间状语从句和条件状语从句的时态对应问题：时间状语从句：从句用现在进行时，主句能用一般现在时，一般将来时吗；条件状语从句：从句用一般现在时，主句能用现在进行时，现在完成时吗？老师，这些除主将从现...

问题 It is strange that…中的主语从句必须要用虚拟语气吗

It is strange that the boy should have said that to his mother. 真奇怪，这男孩竟会对他母亲说出这样的话来。这里的 It is strange that…中的主语从句用的虚拟语气，这是必须的吗？可以不用虚拟语气吗？或者说：不用虚拟语气算错吗？

问题 其中if从句中最后一部分“shall have been learned”是什么成分？

...gone.该句选自于里拉·雷姆森写的《WHAT IS SCIENCE？》其中if从句中最后一部分“shall have been learned”是什么成分？in regard to后面不是应该跟的是名词性质的成分吗?

问题 现在一般时的用法疑问（动作只能是动态动词不能是静态动词吗）

现在一般时表示现在经常性动作、习惯性动作的用法。如：He often goes to work by bike.    He often comes to my home.请问这里的动作只能是动态动词，不能是静态动词吗？

问题 I promise 后面的从句必须用将来时态吗

误：I promise I don’t smoke any more.正：I promise I won’t smoke any more.

问题 是否是定语从句的判断

1.Choose how much money you want.2. You can see how much money I've got in my account. 请问you want 和 I've got in my account  为什么不能看作定语呢?  它们难道不是修饰money吗?

问题 the first time 在句子中可作副词（状语）吗

It was the first time it had spoken，and Alice jumped in surprise．it had spoken 由什么引起的从句，还有 in surprise，作方式状语吗？