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问题 It is difficult for sb to do sth中的for sb是什么成分

It is difficult for us to finish writing 中的 for us 作什么成分？

问题 It reminds us of the greatness of America 中的介词短语做什么成分

It reminds us of the greatness of America.介词短语of the greatness of America做什么成分啊？是作直接宾语吗？谢谢老师解答！

问题 条件句用法的若干疑问

...时（表预测）。我在维基百科中，看到真实句分为zero conditional。我对其中一句例句很困惑。If aspirins will cure it, I'll take a couple tonight.（如果阿莫西林有效的话，我就今晚就吃2片）我把他理解为表预测的will。但是zero conditonal又...

问题 would 和 used to 用法辨析

...enty years.In the last act, a gaoler (would2) always come on to the stage with a letter which he (would3) hand to the prisoner.Even though the noble was expected to read the letter at each performance, he always insisted that it should be written out in full.有人说上面3处的would是一样的...

问题 ​关于it is adj for sb to do sth句型的主语问题

以前学it is adj for sb to do sth句型时，老师说真正主语是不定式，但是查阅后发现不定式+for sb结构可以构成不定式复合结构，所以到底是不定式还是不定式复合结构作主语？？？

问题 while时间状语从句动词的体时的练习题

...ach the top of the mountain, but all the happiness happens while you _____ it.A  climb     B are climbing选择B进行体是正确的，甚至更佳，更能突出climb的延续性。但是A答案climb 的一般体也应该正确，如：I went swimming while the others play...

问题 定语从句（1）when和where的用法

...when we first met in the park. c） The day, which began brightly, ended with a violent storm. 解析：在这两句话里，尽管先行词分别是表示时间的名词time和day，但用的关系词不同。在例句a）中，由于定语从句中的谓语spent缺宾语，因此关系词要充...

问题 完成时加特定时间状语的用法

请问以下两句话加上特定时间状语是对的吗？ 【第一句】10 years ago, there has been a lot of pictures on the walls in this room.... 【第二句】 This place remains the same as it has been twenty years ago.

问题 about之后how引导的是什么句子？

The disagreement reflects uncertainty about how effective social distancing will be and how long it will take before a covid-19 vaccine is widely available

问题 in kind 在句中的意思

Life was so good and so different in kind that I was not able to express what it was like with my youthful mind and boldness. 这里的in kind不是in a similar way的意思

问题 从句省略的问题(when fully grown)

The elephant eats as much as three hundred pounds a day when fully grown. 若不省略,应该是when it is fully grown吗？但是大象的生长显然不是被动，而是完成？所以省略了have吗？

问题 It is not enough to just get good grades at school.

It is not enough to just get good grades at school.怎么翻译呢？是翻译成在学校只是获得好的分数是不够的。还是只是在学校获得好的分数是不够的。

问题 强调句型与定语从句的分辨

It was my sister who first had the idea to cycle along the entire Mekong River from where it begins to where it ends.这里 it was...who 是强调句型，怎么区别 who 引导的定语从句？Where 引导宾语从句么? 如果不用宾语从句，改成 from the beginning of the river to its en...

问题 unless 和 if...not 句型 互换的必要条件有哪些？

She wouldn't sing it if she hadn't learnt it.按传统语法，上句是错综虚拟语气。按现代语法，上句是假设意义（非虚拟）表示方法。我认为上句属于非真实条件句。章振邦的新编高级语法书上510页，说unless在意义上相当于if...not,因...

问题 这里的not being able to get...是非谓语表原因状语吧？

...eady gotten the first dose will be able to get the second on time.The benefit is that this will make more vaccines available in the short term.The drawback is that it risks people not being able to get their second dose when health officials say they should have it.对于 it risks people not being a...