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Your sentence
我 把 作业 做完 了。
Words in this sentence
我
I; me; my
把
to hold; to grasp; to hold a baby in position to help it urinate or defecate; handlebar; classifier: handful, bundle, bunch; classifier for things with handles; (used to put the object before the verb: 把 (bǎ) + {noun} + {verb})
作业
school assignment; homework; work; task; operation; to operate
做完
to finish; to complete the task
了
(completed action marker); (modal particle indicating change of state, situation now); (modal particle intensifying preceding clause)
Particle