问题 长难句疑问(Human nature being what it is,....)

Human nature being what it is,most people stick with default settings.前半句是什么结构？该如何翻译？有些看不懂这个结构

问题 关于seem to be, seem like, 

seem 后面可以接 to be，但是可以接 like, as 吗？如： Mary seems to be a clever girl. Mary seems a clever girl. Mary seems as a clever girl. Mary seems like a clever girl. 以上四句都对吗？

问题 More than three million doses were to be made available 求语法分析

available是什么成份，网上把were to be made当做谓语，我觉得不对，were是系动词，to be made是非谓语动词做主语补足语，那available是什么成份呢？形容词后置修饰does？

问题 be fearful to do sth符合英语惯用法吗

He was fearful to lose his job.这个句子不符合英语习惯吗？老师说这句中的 fearful 用得不对，因为英语习惯上不说 be fearful to do sth，是这样吗？谢谢

问题 be late for / to do / doi

我想求证一下，是不是 be late for / to do / doing sth 这三个用法都是很常用的用法，很少看见 be late doing 这样的用法，网上查的结果这三个都是正确的。请各位老师帮我解答。 

问题 to be chosen from 与to choose from的区别

There are five pairs ______, but I’m at a loss which to buy.A. to be chosen     B. to choose fromC. to choose           D. for choosing这里用 to be chosen from 与to choose from 有什么区别, 主动被动有何区别？谢...

问题 here be句型

here are the eight moments to watch for when the Rock Hall induction ceremony premieres on HBO on April 29.请对这句话的句子成分进行一下分析，请还原一下正常语序。还原正常语序后，这个here还加进句子中吗？ 

问题 sb +be +adj +to

She was the first to learn about it.请问划线部分做句子什么成分？I am  immune to sth 请问划线部分做句子什么成分？

问题 be offered sth的句子成分

I have been offered a job.a job 是属于什么成分？

问题 被动语态的be是系动词还是助动词

问题 动词worry与be worried的区别是什么

问题 be said to do 是什么语法点

问题 You shouldn't be here.是的 here 是地点代词还是副词

You shouldn't be here.请教这里的 here 是地点代词还是副词呢？

问题 谓语并列问题（You were, are, and will be...）

请问老师，这句语法有问题吗？我请教了一位初中老师说这个句子大错特错，有问题，她说英语句子中只能有一个谓语：You were, are, and will be in my heart.

问题 be busy (in) doing sth 去掉sth也是可以吗

请问专家：be busy (in) doing sth   去掉sth也是可以的吗?I am so busy studying.