用from
for一般用于时间段前of用于无生命物体的所有格by可接被动的指使人，也可接交通工具、时间、方式，也用于词组from是“来自，从”的意思。 扩展资料
The homework was assigned by the teacher. 这些家庭作业是老师布置的'。
They crossed the river by ferry. 他们乘渡船过了河。
She took my umbrella by mistake. 她误拿了我的伞。
This is one of the most commonly used methods.这是最常采用的方法之一。
I never know what to expect from one day to the next.一天又一天我不知道该期待什么。
