问题 the water has become dark and dirty, it's no longer safe to drink. no longer和to drink做什么成分

问题 learning to learn是什么意思

learning to learn是什么意思？这是高中英语新教材北师大版必修一第4页最上面的一个短语，不知道如何理解和翻译。

问题 say sorry to 中 sorry 的词性

say sorry to sb这里sorry是什么词性呢？

问题 Thank you to...是什么用法

常见句型Thank you to so many dear friends.中为什么又是you又是so many dear friends，这是什么逻辑

问题 to live在时间名词后定语要不要介词

The doctors have told him that he has only 6 months to live, but he won’t accept it. 医生告诉他他只能活6个月了，可是他不接受这一诊断。请问这里的 to live 是定语吗？它后面为什么没有介词呢？

问题 taken away this week to much bleating.怎么理解

...enjoy protected benefits, such as free access to the BBC, taken away this week to much bleating.

问题 be competent to do/at

...：我觉的这个句子是不是错的？be familiar with和 be competent to 是并列的两个短语而此处competent后没有介词 to，有be competent at doing sth: 在某事/方面有才干,擅长某事, 难道这里的at可以省略吗？

问题 分析：He is too kind to refuse us.

请分析：He is too kind to refuse us.句中的不定式 to refuse us 是什么成分？肯定是状语吧？是什么状语？在什么书上有分析吗？

问题 manage to do sth为什么不用过去时

I manage to solve the problem.为什么manage to do sth表示设法做成了某事，可是却不用过去时，都做成了那应该用过去时态啊？

问题 分析: to not overthink and just keep on creating

"I actually find this quite satisfying, to not overthink and just keep on creating, and then go around sharing dance with everyone," he says.辛苦专家老师分析一下句中的to not overthink and...成分。另，不定式否定通常是not在to do前面，这里的not 却在动词后，怎么...

问题 To such an extent 短语引导的部分倒装句

To such an extent did he go on with his empty sppech that some of us began to doze.请问这句部分倒装句中被前置的是作状语的介词短语“To such an extent”吗？这句倒装句是类似于“so...that...”引导的倒装句吗？好像也没有否定意义词被前置的情况...

问题 phone sb to do sth中的不定式是什么成分

He phoned us to attend the meeting as scheduled.He phoned me to say the meeting would be postphoned.请问这两句用的都是 phone sb to do sth，但其中不定式的用法是不同的，对吗？我指的是它们的句子是不同的，对不对？请老师分析一下，谢谢！

问题 as,to的用法

...he possibility that mass extinctions may recur periodically has given rise to such hypotheses as that of a companion star with a long-period orbit deflecting other bodies from their normal orbits, making some of them fall to Earth as meteors and causing widespread devastation upon impact.(1)”as th...

问题 fail doing fail to do区别

...例子都好理解，但是类似考试这种例子很难理解 fail to pass the test.还是fail passing the test.  pass 是通过的意思，但不做完整的test怎么知道是否能通过呢？还有fail the exam,也是一样，省略了to do 吧，这个do 也可以是pass吧，f...

问题 一个was to的用法问题

She said that she ______ the position，but later changed her mind.A.was to take up                       B.was to have taken upC.would be taking                     D.would take选A还...