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问题 eat breakfast与have breakfast的疑问

请问下面这两个句子是否有误？1. He usually ate fast food and no breakfast before.ate 在此处这样用可以吗？用 had 比较好还是用 ate？有没有 eat breakfast？2.  What he does makes him like a father or uncle.（http://ask.yygrammar.com/q-7237.html 陈根花老师的...

问题 怎么分析“介词+副词”的用法(如 until late, on late）

介词短语 until late、on late 中的 late 是副词吗？怎么分析这种“介词+副词”的用法？如：Not until late at night did he come back. 直到深夜他才回来。There's a good film on late. 深夜有一场好电影。怎么分析这种“介词+副词”的用法？

问题 关于where关系副词的范围划分问题

Economy：The process or system by which goods and services are produced, sold, and bought in a country or region韦氏高阶词典问题：这条定义当中的by which能否替换成where作为”抽象性地方名词process/system”的关系副词去自行理解。常用的关系副词why/where/...

问题 系动词 look, sound, smell, feel 等是表示动作还是表示状态

系动词look, sound, smell, feel 等是表示动作还是表示状态？比如：Her voice sounded very young. 她的声音听上去很年轻。.Nick sounds like a nice guy. 尼克听上去是个不错的家伙。

问题 swim可以用作及物动词吗

He dared me to swim the river.请问这个句子对吗? swim 可以用作及物动词吗?

问题 borrow on 的意思

 I hate to borrow on my insurance.参考译文：我可不想动用我的保险金。  borrow on 是动用还是借用？

问题 sprouted by的用法

Imitators sprouted by the dozen, and other start-ups angled to find the next big thing in sharing.

问题 介词by的疑问

Some fast-food companies also cannibalised their own profits by trying to give customers better value. 这个句子中的by有什么含义？该如何理解？

问题 句子成分分析

Families looking for ways to entertain their offspring and adult children worried about lonely aged parents are after them.前面是动名词复合结构吗？后面worried about是后置定语。还请老师指正！

问题 fail时态问题

They had failed in what they had set out to do.请问为什么句子前后时态都是过去完成时?  打算先发生, 失败后发生，可为什么fail不是用一般过去时呢？

问题 regret 的用法疑惑

发现有些例句有regret at/for sth这种用法； 但是查了字典发现主要是regret sth/ to do sth/ doing sth 所以想请问 regret for sth用法是否正确？

问题 伴随状语的问题

This is because he can make 72 changes to his shape and size, turning himself into different animals and objects. 老师，全解解释这里turning后做伴随状语，不太理解，麻烦老师讲解一下，谢谢！

问题 compared 的用法

Humans are often thought to be insensitive smellers compared with animals, but this is largely because, unlike animals, we stand upright.这个句子中，compared 为什么用过去分词形式而不用动词原形？

问题 there的词性问题

There existed no organization to cope with espionage.1 这里的there是作副词吗？句子是副词提前的倒装语序吗？2 这里的there existed是否可以换为there was?

问题 but的用法

He always does the work, but in his own sweet time.He tried to save it, but in vain.这两句话中，but词性为连词吗？连词的话前后内容可以不并列吗？