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问题 时间状语从句和if引导的真实条件句可以有哪些时态

时间状语从句和if引导的真实条件句可以有哪些时态？主句若是过去时，从句会不会有用到过去完成时表过去已完成。如：He told me to wait until the manager had come back.谢谢老师回答！

问题 should you feel worse 是什么意思

... patients waiting for consultation, we cordially request for your patience to wait for about 2~4 hours. During this period, should you feel worse, please call our nurses at the Triage immediately.我知道should you feel worse是if you should feel worse的省略倒装，但是这里的should该如...

问题 so that, in which 的用法问题

...ompany changed its privacy rules so that many things -- your city, your photo, your friends’ names -- were set, by default（默认）, to be shared with everyone on the Internet.老师，这个so that,我觉得可以填in which,定语从句表示在规则里面怎么样..,但是答案却是so tha...

问题 have sth done还是have done sth

Mrs.Brown was much disappointed to see the washing machine she had ______ went wrong again.答案是repaired，为什么不能用it repaired呢?我的想法是这台洗衣机不是Mrs.Brown自己修的，而是她请人修的，所以填了had it repaired。

问题 help作不及物动词的用法

辅导班的一道题： Bob goes to the Children's Palace every day _______ Sunday. Every Sunday he helps atthe Old People's Home. A. on  B. in  C. during D. execpt 对于该题中help后面没有宾语，我感到奇怪，回家查：《英语常用词用法·详...

问题 by the first bus（乘坐第一班车）对不对

by bus 这个短语中通常是不用冠词的，但老师说如果 bus 前有修饰语，则可以用冠词，老师举的例子是：The excited children went to the park by the first bus.我对此表示怀疑，请专家老师指点！谢谢！

问题 compared with last year的比较对象问题

下面这个句子有问题吗？The company hasn’t much to crow about, with sales down compared with last year. 公司的销售额比去年下降了，没有什么可夸耀的。我觉得句子中的 last year 应该用所有格 last year’s，因为是指 last year’s sales（可以看作是...

问题 修饰介词和副词的far做什么句法成分（在现代语法中）

This explanation is far from satisfactory.He was far too scared to tell anybody.请问老师，两个例句中的far分别在现代语法中做什么句法成分？谢谢老师的回答。

问题 would see 和 will see的选择问题

The pollution is likely to reach its peak on Monday, and some parts_______ heavy air pollution, the environmental watchdog told the newspaper. A. see B. will see C. would see D. saw 老师，这题选B，一个句子里面有过去式和现在时，但是是怎么排除C的呢？

问题 I'm afraid... 句式的理解（后接的从句属于什么从句）

I am afraid the most exciting thing we have to offer is another adventure.句首的 i am afraid 已经是主系表了,那后面的most exciting thing算什么成分?

问题 with or without having symptoms的分析与理解

We use current COVID-19 infections to mean testing positive for SARS-CoV-2, with or without having symptoms.老师们，这里的with or without having symptoms感觉很别扭，好像它是一个独立的存在，请老师帮我解析一下这个短语的作用

问题 进行时的感官动词 其宾语补足语的形式

...  2. 我在语法书 上看到look at也可以像watch这样用，listen to可以吗？

问题 more than 用在动词double 前表示什么含义

CNN: 《Proposed Stimulus Package Advances in Congress》The Biden Administration's proposal would more than double the minimum wage to $15 per hour by the year 2025.more than 用在动词double 前表示什么含义呢？还有，by the year 2025 是否要求谓语动词double使用完成时呢？

问题 is it like when Phoebe chews her hair?这个是表语从句吗

Joey: ...Does the knuckle-cracking bother everybody?Rachel: Well, I-I could live without it.Joey: Well, is it, like, a little annoying, or is it like when Phoebe chews he...

问题 learn后接动词时用不定式动还是动名词

假若要在learn后接动词作宾语，是用不定式动还是动名词？比如：比如：他在学习踢足球。应用下面的哪一句？He is learning playing football.He is learning to play football.