“I have finished my homework.”我的作业已经完成.have been finished和had finished什么区别

问题描述:

“I have finished my homework.”我的作业已经完成.have been finished和had finished什么区别
I have finished my homework能否写成I had finished my homework.意思有什么不同.
嗯、、同义句是My home had been finished.还是My homework have been finished.

不能,同义句是My homework have been finished.
have finished 是现在完成时,had finished是过去完成时