问题 不定式表示目的还是表将来动作的区分

对不定式的用法一直存在迷惑。请问不定式是用来表目的，还是表将来的动作、行为？①I like looking for new problems to solve.②There are two reception areas where the tenants' guests can sit while they are waiting for the meeting to start.

问题 in case的理解

“In case you have forgotten, I am your boss,” I said in my most serious tone.请问in case在句中的用法。辛苦老师了！

问题 翻译:What is the legal significance the Seattle oper

What is the legal significance the Seattle operation sting？请问怎么翻译？

问题 what better moment to buy a bigger pad是感叹句吗

Professionals who have carried on working from home but cut back on their spending have accumulated cash to splash-and with time spent at home rising,what better moment to buy a bigger pad？  what better moment to buy a bigger pad?是感叹句吗?

问题 如何理解This is where I belong这样的表语从句

This is where I belong. 这句话是什么用法呢？belong 后面不应该东西么？where 为什么可以连接呢？

问题 It is time for supper 的句子成分分析

It is time for supper 的句子成分分析。句子中的介词短语 for supper 是什么成分？是定语吗？我在语法书上怎么没有找到这样的分析呢？

问题 从句判断（His height is double what it was...）

 His height is double what it was three years ago.请问,句式上不太明白这是什么从句?

问题 sth is available to do 结构

科斯林available词条有一例句，Since 1978，the amount of money available to buy books has fallen by 17%.该句用了available to do sth作后置定语，简化得sth is available to do sth.但是available好像没有这种结构吧？？？即使有，那么to do作什么成分呢？？？

问题 the place is worth visiting。

想问 worth是表语，那么visiting是什么成分？谢谢

话题 sb is hurt to do sth

话题 than is necessary to do sth

话题 A horse is a useful animal.

话题 The bride to be is Mary

话题 It is sb/sth doing sth

问题 believe in doing sth的意思

believe in的意思是“相信”，believe in sb 的意思是“相信某人”，但 believe in doing 是什么意思呢？比如下面这句：They believe in letting children make their own mistakes. 句子意思有点奇怪！