Wehave(改为had)apartylastSunday.Duringtheparty,Imademyway(加上to)thebathroomandclosedthedoorbefore(改为infrontof)me.Aminuteortwolate(加上later),thelittlegirlopenedthebathroomdoorandwalkedin.Iwasstillsit(改为sitting)."Don'tyouknowif(if改为that)littlegirlsaren'tsupposedtocomeintothebathroomwhenalittleboyisusingit!"Ishouted.Thelittlegirlwasshockedbymybeingat(去掉at)there.Thenshestartedtocry.Shequick(改为quickly)closedthedoor,(加上and)rantothekitchen,andtearfulllycomplainedtoherparentsandmygrandmother.Mostoftheparty-goer(加s)hadoverheardmyloudremarkandweregreatlyamusedbyit.

　　错的原因可以解释一下么。。能不能稍微快一点？？？？急~~~~~

　　1.时态错误应该是一般过去时2.makeone'swayto去往某处3.位置上在...前面用infrontofbefore表示时间上的前面4.时间+later多少多少时间以后5.过去进行时正坐在那儿6.that引导的宾语从句7.there前面不加介词8.形容动作的状语用副词形式quickly9.谓语动词之间的并列应该加and10.不只一个人参加了聚会应该用复数