一些关于英语现在过去分词的问题(Knowing)basicfirst-aidtechniqueswillhelpyourespondquicklytoemergencies[Havingknown]Forthosewithfamilymembersfaraway,thepersonalcomputerandthephoneareimportantinstaying(connected

Question

一些关于英语现在过去分词的问题

1. (Knowing ) basic first-aid techniques will help yourespond quickly to emergencies[Having known]

2. For those with family members far away,the personal computer and the phone are important in staying (connected)

3. —Have you heard about the fire in the market?—Yes, fortunately no one (was hurt)  [has been hurt]

4. what surprised me most was (his not being allowed)to meet his girlfriend again [his having not been allowed]

5. Research (being carried) out at Liverpool Universuty supports this idea and suggests that if we don't use the sense of direction,we'll lose it.    [carried]

6. (Committed) to improving service ,we will  provide customers with all the information they need[Hvaing been committed]

    

小括号里的是参考答案，中括号里是我想写的答案，求解为什么答案不是我写的。另外第二题for接着是原因状语从句吧？connect的形式是考虑主句的主语还是从句的主语

Answer 1

现在完成时和过去完成时一般不怎么用的，你回顾一下它们的用法，就会发现这里的几题都不需要用到。
knowing和being carried用现在分词是因为动词做主语，这点你是掌握了的。
stay connected 就是保持联系，stay作为系动词，其后可以跟形容词，副词，以及分词（包括现在分词和过去分词）