so在这里的用法和sothathelpyourfriendcleanthebicyclesoyoucanleaveearly.thebellringssoyouneedtogotoclass.第一句有点感觉像是sothat第二句感觉更像是so...that...怎么区分呢?

　　so在这里的用法和sothat

　　helpyourfriendcleanthebicyclesoyoucanleaveearly.

　　thebellringssoyouneedtogotoclass.

　　第一句有点感觉像是sothat

　　第二句感觉更像是so...that...

　　怎么区分呢?