have written,have been writting,have been written,had writte

Have written现在完成时,已经做完某件事,比如I have written my homework,我已经把作业做完了.Have been writting现在完成进行时,当时正在做某件事,已经完成,比如I have been writting my homework when you called me to go shopping,你来找我去逛街的时候当时我正在做家庭作业.Have been written现在完成时的被动语态,而have written是现在完成时的主动语态,比如These two books have been written by a famous author.Had written过去完成时,He had written the fiction before he went to America