日語 Japanese Ask Questions Thread2 質問

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Japanese - Ask questions thread
http://dis.4chan.org/read/lang/1174719097/l50

Quick question... If I were to go into a shop in Japan, how polite would the clerk be to me?

Would he be saying things like あなたを助けられますか。

or would it be more along the lines of あなたを助けられるございますか。

or am I completely fucking this up and it would be something entirely different?
Please don't be too harsh on my grammar. I've never learned about ございます.