作业已完成英文

have finished my homework

Ihavefinishedmyhomework不能写成Ihadfinishedmyhomework.一个表示你刚刚完成作业，一个表示你已经完成了。或者是以前已经做完了作业。同义句你就看哪个原句的形态是怎样就对应哪个形态。比如是Ihavefinishedmyhomework..你就要用Myhomeworkhavebeenfinished.

妈妈，我的作业已完成Mom, my homework is done

I alredy finished homework.

finish English homework

I finished my homework.

Mom(Mum)，I have finished my homework.Mom和Mum都是口语化的表达，Mom,美式口语;Mum,英式口语。

have finished homework (如果放在句子里面，要看前面的人称代词，如果是 I / We/ They 就用have，如果是he/she/人名就用has）