让我去帮你查询一下.Translate it into English

Please provide a better answer and explain in mandarin.
What is the differences among these sentences as below?

1)Let me check out for you.
2)Let me survey for you.
3)Let me find out the answer for you.
4)Let me do the double-confirm for you.
5)Let me do the searching for you.

让我帮您办妥手续
让我为您调查吧
让我帮您找到答案
让我再帮您确定一下
让我帮您找一下
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第1个回答  2011-10-06
4)Let me do the double-confirm for you.意思是让我给你确认一下,明显跟其他的一起不一样,其他的都是指让我去帮你查询一下
第2个回答  2011-10-07
Elaine is correct