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问题 is做系动词还是助动词

Her dream is to be a teacher. 由于be to do也表示将来，所以这里的is如何理解？构成将来时的助动词还是仅仅为系动词？The picture is hanging on the wall.在这里，is为构成现在进行时的助动词？She is being friendly.这里，is为助动词，那么整句话...

问题 时间段作主语时的主谓一致问题

图片中的句子The last ten years 'have' witnessed great changes in our city. 谓语是have witnessed.为什么当句子是 Ten years is a long time 时把Ten years看作一个单数整体，谓语用is.而在 The last ten years 'have witnessed'  great changes in our city.这个句子中却不...

问题 what 用作先行词的实例

以前见过这样的句子：1) We do not know exactly what happened that eliminated so many species in a relatively short period of time, but there are several possible explanations.还有之前讨论过的句子：2) What is going on here that is so important to where Florida needed to steal this...

问题 go unpunished的延伸用法

有这样一句话：This is not a family where bad behavior goes unpunished. 这个家可不是一个对不良行为听之任之的地方。书上对句中 go unpunished 的注解是：go unpunished的意思是“不受惩罚”，其中go的含义是“保持（某种状态）”。如：Her decis...

问题 see sb (sth) done的用法疑问

The manager discussed the plan that they would like to see ______ the next year.A. carry out B. carrying out C. carried out D. to carry out答案为 C。请讲解一下，后面有 the next year 怎么能用 C 呢？另外，see sb done 结构怎么解释？ 

问题 如何区分be shocked that…与be shocked when…

我分不清 be shocked 后面是接 that 从句还是 when 从句。比如：She was shocked _____ she found out she was pregnant.A. that      B. when

问题 关于定语从句与结果状语从句的区分

有这样一道题：Mr Smith is _____ a good teacher _____ we all respect. A. such, that     B. such, as       C. so, that        D. so, as答案是 B。书上面的分析是说要区分好定语从句与结果状...

问题 这个句子中的using which是什么用法？十分不解

The specimen is loaded by a SHPB system,using which static tensile load is appiled to the specimen and maintained before applying the dynamic load.大概意思是：试样被SHPB系统加载，直到在施加动态荷载前，静态荷载首先被施加在试样上并一直维持此状态。

问题 涉及feel well和feel good的时态选择题

Alice was very irritable because _______.A.she was not feeling wellB.she didn’t feel wellC.she doesn’t feel goodD.she was not feeling good

问题 go straight on 与go straight down的区别

The rabbit-hole went straight on like a tunnel for some way, and then dipped suddenly down...老师，go straight on 与 go straight down 是词组（动词短语）吗? 如何理解这些词组？

问题 by作后置定语的用法

请看以下某篇考研文章中的句子：The most likely reason for departing a board was age, so the researchers concentrated on those "surprise" disappearances by directors under the age of 70.【参考译文】离开董事会的最大可能因素是年龄，因此，研究者集中...

问题 为什么翻译 unless 时要加上“否则”二字呢

...么在句子翻译的时候，多出了否则的意思？The mice knew that unless they helped her make a dress, she would not be able to go to the party. 老鼠知道除非它们帮她做衣服，否则她不能去参加晚会。这个“否则”是不是我们可以随意添加的？

问题 请帮忙分析句子结构(all in all...)

all in all, this clearly seems to be a market in which big retailers could profitably apply their gigantic scale, existing infrastructure, and proven skills in the management of product ranges, logistics and marketing intelligence.请老师帮忙翻译并分析此句的结构。还有，this clearly...

问题 请教关于with的用法

1. Even though the road was littered with boulders and pitted with holes, Bruce was not in the least perturbed.2.There was a strong wind，and the two men's faces were white with snow．请问这里的三个with 意义是  “伴随”  还是  ”因为 由于"   ...

问题 like用作介词时，后面可以加状语从句吗

具体语境为：Like when you lay your baby on their back and you pull them by the arms gently into a seated position, the baby’s head may nod back behind the shoulders, like poor head control.请问句中的第一个like后面可以加状语从句吗？另外，第二个like前面的逗号是...