问题 have sth done 的问题

...d ________ went wrong agaA. to repair      B. had been repaired     C. had repaired      D. to be repaired老师，这选B，这里是have sth done的结构嘛？ 但是里面的两个had ,还是看不懂？

问题 为什么用了过去完成时I had not seen him

...street to avoid meeting him, but he saw me and came running towards me. It was no use pretending that I had not seen him, so I waved to him. I never enjoy meeting Nigel Dykes. He never has anything to do. No matter how busy you are, he always insists on coming with you. I had to think of a way of pr...

话题 is还是has

问题 since主句的现在完成时可以用has had to吗

He has to move about in a wheel-chair since five years old. 按语法规定，这个句子不太对，因为 since 前面的句子应该用现在完成时，但这个句子的谓语是 has to，它如何变为现在完成呢？难道是用 has had to? 像下面这样用？ He has had to move ...

问题 句子结构分析...in trying to find a job or a friend

They run into constant discrimination in trying to find a job or a friend.句子结构分析，特别是红色部分的详细分析。

问题 Having been failed so many times in maths...错在哪

问题 老师您好，having been trained as an architect and curre

问题 best-seller or not为什么没有用冠词或复数

Best-seller or not, the book sounds as dull as ditchwater to me. 不管这本书是不是畅销书，反正我读起来枯燥透顶。句子中的best-seller 是可数名词，但它为什么既没有带冠词，也没有用复数？

问题 sth/sb plan sth/sb to do/be... 这种句式是否正确

...ew strategy are planned to be divested or managed for value.This objective was planned to be met by implementing 4 main activities with 5 subsidiary tasks.The Tesla K20 is planned to be available in the fourth quarter of 2012.We serve communities that are not currently served or ‘planned to be ser...

问题 否定句连接词后只能用or而不能用and吗

问题 表示现在时间的虚拟，为什么可以用If had done...would have done这种形式呢

...n his seat.If he had wanted to stand and shout for help, he would not have been able to. His tongue had swelled to twice its size, and when tried to move it, it stuckhorribly to the roof of his mouth. His legs were limp.-John Cheever: The Five-Forty-Eight章振邦新编高级英语语法195-196页...

问题 请问以has做谓语怎么倒装

各位老师好原句Cheating has nothing good to you.如果用not only进行引导，原句应该如何倒装

问题 Interested / Being interested / Having been interested in…, Alfred performed…

... put into practical use in construction work.A. Being interested B. Having been interestedC. Interested答案给的C，请问A,B可以接受吗？如果可以，这三者有什么区别(语义，语用)

问题 请教：a surface of which one end or side is at a higher level than another

a surface of which one end or side is at a higher level than another; a rising or falling surface这是关于词典Oxford dictionary of English 2nd 关于名词 slope的定义。我看不懂的地方在of which 这里，以我浅显的语法能力判断 of which应该相当于 whose做连接词引...

问题 介词后面可以接whose引导的定语从句吗

...提出过类似问题）。如：That was in 1929, since when things have been better. 那是1929年的事，从那时起情况就好些了。He hid himself in a tree, from where he could see the enemy in the distance. 他躲在一棵树上，从那儿他可以看到远处的敌人。请问：介词...