Chinese Function word is always hot point of the study on the Acquistion order and the analysis on the biased errors . This paper select tweleve Object prepositions from Chinese Function word to take study object . Object prepositions all may introudce the object , the function is close .therefore , exist very overlap phenomenon . Because of the Object prepositions are polysemant , actually the overlap is that the semantic item may freely mixe with . So this paper consider the semantic item as an Object preposition . Through the way , tweleve Object prepositions are added up to twenty-one Object prepositions . The twenty-one Object prepositions are advided into seven groups according to the same significance . according to corpus and examination papers , this paper study the Acquistion order of the twenty-one Object prepositions by the methods of Contains scale and correct use relative percentage . The result is tthat the Acquistion order of the twenty-one Object prepositions exists difference . Then this paper reserch the factor of influencing the Acquistion orde , mainly has Object preposition which matches after these prepositions obtains . The more the Object preposition which matches after these prepositions obtains , the later to be acquistioned . The less he Object preposition which matches after these prepositions obtains , the earlyer to be acquistioned . Later this paper also analysis the biasded errors types of the twenty-one Object prepositions . The result is that the obtains'errors are the mainly errors in the the twenty-one Object prepositions . Every groups has different biasded errors types . The aim of the study on the Acquistion order and the analysis on the biased errors of the twenty-one Object prepositions is to guide the teaching well . |