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问题 为什么once（曾经）连用一般现在时而不是一般过去时

All of the plants now farmed on a large scale were developed from plants that once grow wild.这个句中有once ,为什么grow用一般现在时而不用一般过去时？一般现在时表经常发生的动作或存在的状态，表日常行为、习惯、能力或客观存在。句中的一般...

问题 既是可数名词又是不可数名词与纯粹的可数名词的使用区别

既可数又不可数名词如：cake, onion, watermelon 与 可数名词banana, egg, biscuit 在用法上是否有规律可循？比如：1. My favourite food is cake.2. My favourite food is watermelon.3. My favourite food is onion.4. My favourtie food is bananas.5. My favourite food is eggs.6. My ...

问题 动词的否定所表达的意义

老师好，节日快乐！(老师先放假休息哈，节后有空能帮我解惑就好了)关于动词的否定，有一个说法，说短暂性动词的否定表示的是状态的延续，比如，she didn’t go to bed until her mother came back，这里的go本来是短暂性动词，但是not ...

问题 would rather do than do nl这里的than引导的是比较分句么

老师would rather do than do中than引导的是比较分句么？之前跟老师沟通过，than引导比较分句做成分，而这里的than做什么成分呢？I would rather die than Live with you这里的than做主语？ 辛苦老师解答。

问题 重形还是重意(Let's be quiet的反义疑问句)

全部的语法书都在说let's的反义疑问句是“shall we？”，大多数情况下我也没有疑问，只是有一种情况：假设我是个老师，我对学学生说：大家别说话，好吗？我要开始上课了。 此时，不说话的绝不是老师，这句话的实际意思...

问题 感官动词和使役动词接不带to的不定式作宾补时用作宾补的do可以是静态动词吗

感官动词和使役动词接不带to的不定式作宾补时，用作宾补的do可以是静态动词吗？

问题 有没有make/let+sb+形容词比较级+to do sth这样的结构

请问专家：有没有make/let(使役动词)+sb+形容词比较级+to do sth这样的结构。比如：The new update of the game makes players more difficult to finish the task.

问题 The majority of sth 中是否用加定冠词

The majority of sth 是否意思为....中的大部分？看到一些说法，the majority of+限定词（the/one's)+名词，例句：The majority of my patients come to me from out of town.但是有些语法书中，the majority of +名词并没有加定冠词，这是为什么呢？The m...

问题 would have done 和 would like to have done 的区别

Much as ________, I couldn’t lend him the money because I simply didn’t have that much spare cash.A.I would have liked to B.I would like to haveC.I should have to like D.I should have liked to想请问一下，A和B什么区别呢？

问题 2008年上海交大单词选择题难题

1. The structure of this animal's brain gives no______ that it is any more intelligent than others.A．indicationB．indexC．hintD．implication是选A还是C呢？网上有选A也有选C的。2. A child hears his mother tongue spoken from morning till night in its_____form.A．correc...

问题 and并列句是否会对时态造成影响

题1：He has been studying here for three years, by next sunmer he ( B ).A. wrill graduateB. will have graduatedC. will be graduatedD. will be graduating题2：he's been studying here for three years and by next July he (  D ).A. will have graduated B. will be graduatedC. wi...

问题 非限制性定语从句求教

Building maintenance workers were circulating through the office space ensuring power had been restored,which it had.首先这是一个复杂句S：Building maintenance workers，其中building maintenance是名词作定语修饰workersP：were circulating,又助动词的be和动词circulate构成...

问题 one of small account中的small account为什么可以是单数？

原句是This is the famed citation index, that is to say the number of times a paper has been quoted elsewhere in the scientific literayure, the assumption being that an important paper will be cited more often than one of small account. one of后不是应该接名词复数吗？而...

问题 "so+形容词+that从句"构成的形容词短语？

请教各位老师，本人在阅读过程中看到这么一个名词短语：        Graphite is a form of carbon so soft that it is used as a lubricant.书本中解释"so...that"结构引导一个结果状语从句，与形容词"soft"构成形容词短语...

问题 should表示推测性的含义翻译？

I thought I should burst with amazement! Such a cruel, heartless charge! I never had seen Cochin China! I never had heard of Wakawak! I didn't know a plantain-patch from a kangaroo!我觉得我简直诧异得要爆炸了，这样残酷无情的诬蔑！我一辈子连见也没有见过交...