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问题 when表示突然包括将来的be doing和be going to吗

知道 be about to 能表示突然XXX。那这句呢？He was leaving / be going to leave when it began to snow.这句能不能说突然下雪，还是说在开始下雪时离开呢？？？此外能不能说 Yesterday, he was going to leave?

问题 to be doing 是和谓语动词同时发生吗

The “teacher” on occasion would frown slightly, as if considering us to be neglecting our parental duties.参考译文：那位“老师”偶尔会微微皱眉，似乎觉得我俩没有尽到当父母的责任。 我们知道 considering 前面省略了she or he was，完整结构是 as i...

问题 这是be going to的省略写法还是进行时

They are going for a drive to the mountains.1、查不到be going for这个词组，那把它看作进行时吗？还是be going to的省略写法？2、to the mountain是名词drive的定语？

问题 it has migrated from Detroit to silicon valley ，where self-driving vehicles are。coming to life成分分析

您好，请问are coming to life在这里怎么理解，是进行时吗，能具体分析一下嘛？

问题 lead to sb doing sth 结构分析

In his opinion, reducing the quantity of things we produce can lead to some people  losing their jobs.lead to doing sth 可以理解，这个 lead to sb doing sth 理解不了，望老师解答一下。是因为 losing 作非谓语动词吗？作定语修饰people？

问题 be addicted to (doing) sth结构

您好，我想请问一下，在 be addicted to 结构中，to sth / doing sth. 这个介词短语做什么句子成分?

问题 be to 表达的含义理解？

It was to be expected that there would be a thunderstorm.这里使用了be to, 含义是什么？如果去掉，、说成It was expected that there would be a thunderstorm.二者的含义区别究竟是什么？

问题 介词 to 在本句中如何理解

Some of the visual references are to well-known images from history, art and popular culture. 请问老师 to 在本句中如何理解呢？可以省略嘛？ 谢谢老师！

问题 come to remember是什么意思

My strongest memory is not a memory. It's something I imagined, then came to remember as if it had happened.句中come to是什么意思?

问题 to后面为什么接过去分词

To my great disappointment, the project that I devoted so much time to _____ (fail) finally请问为什么画横线的动词变形? 为什么用过去分词?

问题 from up to是什么用法?什么意思

老师您好！以上to around是什么用法?around在这里是什么词性，什么意思?from up to是什么用法?什么意思?

问题 be nowhere to be seen中的不定式是什么成分

英语中的 be nowhere to be seen 和 be nowhere to be found 是很常用句式。如：The teacher was nowhere to be seen. 哪里也没看到老师。Her husband was nowhere to be seen. 哪里都没找到她的丈夫。请问一下，句中的不定式是什么成分？

问题 "it is + 名词 + to do 的结构"是什么用法

It is human, perhaps, to appreciate little that which we have and to long for that which we have not, but it is a great pity that in the world of light the gift of sight is used only as a mere convenience rather than as a means of adding fullness to life.前面好像是 it is + 名词 + to do 的结...

问题 write to sb doing sth的用法

谢谢各位老师的解答，下面的句子我有一些疑惑：I wrote to over twenty companies asking for work, but nothing came of my efforts.为什么句子中用asking for work 这个现在分词？我一直只知道write sb to do sth这个结构。如果是现在分词的话，这个句子...

问题 两个动词不定式做宾补时第二个to省不省略

当两个动词不定式做宾补时，第二个 to 省不省略，例如：allow him to play and to work.