TheAmericaneconomicsystem（主语）is.organized（谓语）aroundabasicallyprivate-enterprise,market-orientedeconomy（状语）inwhich（这是一个定语从句,inwhich修饰前面提到的economy）consumerslargelydetermine（后面接的是个由what引导的宾语从句）whatshallbeproducedbyspendingtheirmoneyinthemarketplaceforthosegoodsandservices

　　（后面接的是that引导的定语从句,再句中做宾语）thattheywantmost.

　　总之,每个意群断一下,意群就是：主语谓语宾语状语从句等.先在用铅笔书上做一下标记,慢漫的就会很熟练了.That'sall

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