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问题 would have had to do是什么用法

...would have had to make a special trip into the cave to make the paintings, and a special trip to go see it.请问老师，这里的两个would have had to do是什么用法？

问题 It was no less exciting than modern car races.省略了a

It was no less exciting than modern car races.省略了are exciting吗？It was no less exciting than modern car races are exciting.不是说省略句只能省略相同的部分吗？are跟前面句子没有相同部分啊。

问题 分析：Nothing is too difficult if you put your heart into it

请问从句 if you put your heart into it中：you是主语谓语是put还是put...into...这个动词短语your heart 和 it 都是宾语吗此句是双宾语吗？我分析不出来呀！

问题 It was my first time后接动词(to do还是doing)

It was my first time spending Spring Festival in China with my host family. 这是高中英语新教材北师大版必修1第3单元中的一个句子(p52)。 为什么这里在 it was my first time 后面接 doing 呢? 这样也可以吗？不是该接不定式 to do 吗?

问题 It takes some getting used to的语法分析

it takes some getting used to. 这句话的语法是怎样的。1. getting used to 作真实主语吗？但为什么它的介词 to 后面不接宾语呢？2. takes some 是什么意思？

问题 that's more like it中like是介词吗

that's more like it 中 like 是介词吗？more 是副词吗？okay, 8 going once. 好，八美元一次。这里为什么用 go 的现在分词形式？

问题 是否可说：It is no letters for you today.

请问：There is no letters for you today.是否相当于 It is no letters for you today. 

问题 want to A and B 和 want to A and to B 哪个是正确

专业老师好！want to do sth and do sth和want to do sth and to do sth，哪个是正确？请问，want后用and连接两个动词第二个动词还用加to吗？有疑惑，望解答，谢谢。

问题 几种被动形式的区分

请问be done, to be done,being done,done 这几种都可以表被动，具体用法上有什么差异呢？

文章 高中英语新课标词汇-教学参考资料-p.m./pm

...t 3 pm. 我下午3时有个牙科的预约。 It’s cheaper between 6 pm and 8 am. 下午6时至上午8时之间较为便宜。 2.用作定语 含有pm的相关短语有时可置于名词前作定语。如： I missed the 5:45 pm train from Paris. 我没有赶上从巴黎开来的下午5点45...

问题 I don't like it any. 中的any是什么用法

I don’t like it any. 请专家老师解释一下句子中 any 的用法。谢谢！

问题 动词不定式作定语和状语的区别

...he demand that they make their product free to readers by charging their writers fees to cover the costs of preparing an article.这句话中to cover the costs of preparing an article是不定式作目的状语么还是后置定语呢3、It can be learned that open access terms allow  publishers so...

问题 mother and son可以不用冠词或物主代词吗

Mother and son lost contact when Nicholas was in his early twenties. 尼古拉斯20岁出头的时候母子就失去了联系。这里的mother and son（母子）前面没有用冠词，好像原来见过，father and son（父子）也不用冠词的，这是一种习惯吗？如果是 mother and ...

问题 vitamin A and B 与 vitamins A and B（单数与复数的区别）

Pineapple is rich in vitamin A and B.老师说要把 vitamin 改为复数 vitamins：Pineapple is rich in vitamins A and B.请问这是因为有A和B两种的东西的原因吗？

问题 句子加逗号that可引导同位语句子吗

...导的句子为 I try to let them think critically 的同位语句子吗?And I think they [students] should realise that language is very broad, that is what they should realise.此篇data 口述出现大量逗号that引导句子，根据章that 引导非限定从时that 不指代主句，此句that...