问题 两个句子小疑问

1. However , it has been found that even people insensitive to a certain smell at first can suddenly become sensitive to it when exposed to it often enough. even是何种用法？when引导条件状语从句还是时间状语从句？有何区别？2. But what we forget—what our economy depend...

问题 从句修饰与非谓语修饰在作用（效果）上的区别（专八改错）

...oliferated, promised to teach, as John Cotgraves Wits Interpreter put it, "the art of drinking, by a most learned method". 题目提示promised 所在的一行有误，我在promised 前添加了which，非限制性定语从句修饰前面整个句子；答案将promised 改为promising，非谓语...

问题 however引导状语从句的用法疑问

To know whether a topic or situation is on heated discussion, just know whether it becomes a meme, which has been diffused from one person to another in a period and has evolved to a fixed form however it appears in front of us, even grammatical missing.这句句子里面however引导状语从句的...

问题 I'm glad people are liking it. 为什么这里的like用现在进行时？用动

问题 句子中现在分词一般式与完成式的区别

 There has been a gentleman asking for you. 有位先生曾来见你。请问：句中的 asking for 为何不用 having asked for ?

问题 两个动名词作主语谓语用单数还是复数

Sitting and talking to old friends is a pleasant way to spend an evening.请问这个句子为什么不用复数谓语动词 are，主语不是两个动名词 sitting 和 talking to old friends 吗？两个动名词作主语时，如何判断谓语动词是用单数还是用复数？谢谢老师！

问题 句子改错题：扩号里是错误题需要改正

Ppeople depend on it  (to) such (a great extent) (which) (every effort) must be made to preserve tress and wildlife.我觉得是把 to 去掉，对不对，谢谢!

问题 一般疑问句可以省略句首的do吗

You want to start doing exercise?请问这是一般疑问句的省略吗？比如：Do you want to start doing exercise?另外，可以省略 do you 吗？比如说成：Want to start doing exercise?

问题 Oh, is it?是什么用法（不是反意疑问句吧）

...ockwall Slinger and this is Merlin Greeves.'—‘Oh, is it?' said the sheriff with a sneer.回答句中用的 is it，这个不是反义疑问句，这个是什么呢？有何用法呢？谢谢老师，盼复！

问题 one after another作主语谓语动词用单数还是复数（词典权威例句）

one after another 的意思是在词典上可以查到，它表示：一个一个。它是表示单数呢还是表示复数？如果它用作主语呢？后面的谓语动词是用单数还是用复数？比如下面这句：One after another got up and left. 一个一个起身离开。这个句子...

问题 homework和housework前面是否加物主代词

下面的句子加或不加物主代词都正确吗？I have done homework. I have done my homework. I have already done housewok. I have already done my housewok. 

问题 动词后面跟形容词

Simply give me your clothes and they will be cleaned along my new invention of clean machine trace and popped out clean. 请问老师，任何动词都能跟adj吗？

问题 associate (sth) with...中的with...是宾补还是状语

...语的这种情况，如何判断是否是状语？问题四：connect A to B，connect A with B， talk sth with sb，很多类似的搭配都可以把动词后面直接跟着的宾语去掉，单独使用，请问这种情况下，with（或者其他介词）后的内容，成分是否变化了？

问题 whatever,whoever,whichever等后面可接不定式吗？

whatever, whoever, whichever等可引导从句，但它们也可引导不定式吗？比如：whatever to do, whoever to speak, whichever to choose等。

问题 i heard John's having lost his mirror on Aug22,2016.

1. 后面这个时间是指'听说'这个动词还是指他丢掉镜子的时间呢？ 2. 这个复合结构我用having lost，完成时，应该也正确吧，我想强调一下已经完成丢掉这个动作了呢？期盼老师解答，学生在此不胜感激！