问题 since从句中现在完成时和一般过去时含义辨析？

We have made many firiends since we have lived here.since从句使用了have lived, 是表示目前还住在这里，还是已经不住在这里？如果变成We have made many friends since we lived here是不是表示“离开=不住在这里”了？

问题 使用过去时和现在时的时态困惑？

It's no use your pretending that you didn't know the rules.It's=It is.为什么这里使用了didn't know一般过去时时态？为什么不是don't know与前面的It is呼应呢？是否可以改成...It's no use your pretending that you haven't known the rules.请教...

问题 of短语后置 和 形容词前置 辨析？

1）They whistled a low meditative whistle of satisfaction.2）The King lived a long life of exile.以上关于2个of短语的句子，疑问是：第一句是否等同于They whistled a low meditative satisfied whistle ?第二句是否等同于The King lived a long exiled life ? 其实我的疑问...

问题 there be....doing 和 there be....done 的区分

老师您好。我不明白there be句型当中什么时候接doing 或done ，这里“The doctor told him that there was only two years remaining. ”为何不是remained？为什么又有There are two day left for the final examination. 

问题 people of all kinds和all kinds of people的区别

这两种表达有什么区别吗？如果没有，为什么会有这种of 前后颠倒而语法上又都对的现象？

问题 “in+名词”是什么状语

The city’s growth in importance as an economic center has been slow.1.请问in importance是做方面状语吗？2.In importance可置于句末变为以下句子吗？即：The city’s growth as an economic center has been slow in importance.

问题 no otheriwse than 这里是什么意思

...这个比较分句... be so very accomplished as they all are. 这里的so和as有区别吗？这个句子尤其是as they all are应该怎么理解含义呢？另一个不懂之处就是no otheriwse than这里是什么意思？没看懂。

问题 介词in用法疑问

There was an applicant in just yesterday dropping off a resume in person.请问老师这里为什么用了介词in？不要可以吗？

问题 管理员给各位老师和网友拜年啦（2023）

管理员给各位老师和网友拜年啦（2023） 拜年与祝福玉兔呈祥送祝福，柯网师友贺新春！值此新春佳节到来之际，管理员向各位朋友拜年啦！祝大家新春快乐，兔年吉祥，健康平安，万事顺意，恭喜发财！与往年一样（其实也不...

问题 Where there are shifts in food types involving..分析

Where there are shifts in food types involving reduction in food hardness or changes in how these foods are processed, most investigators have found a reduction in gross wear.能详细分析一下：Where there are shifts in food types involving reduction in food hardness or changes in how these foo...

问题 关于词汇in which的疑问

...我看不懂牛津字典的解释是什么成分。a play or a film/movie in which part or all of the story is told using songs and often dancing.这里a play in which part of the story中的in which是定语从句吗？which代替哪个先行词呢？还是in which作为介词短语后置定语。...

问题 现在完成时和一般过去时

...en 请问老师，这可以看作是现在状态或过去的状态选A和B吗？for a long time  不仅可以用于完成时也可以用于其他时态啊，所以这里我就不明白了。2）.Where is Jim？— He has gone to England.这个句子用现在完成时是强调对现在的...

问题 关于“转态事件不可以和频次状语连用”，可否给出相关语法介绍？

close, leave, buy, join, become, begin, fall，fall ill，get to(know), come, go, see, hear, hear from, catch a cold, kill 】这类动词现在完成时与频次状语连用是不是也需要先变成对应的延续性动词呢？谢谢!

问题 Have done 和 have been doing 的区别. 请问此处填哪个更合适，或者都行？有

问题 请讲解这一题！另外我想知道， not except 和not but的区别是？