Because (Plain form)
Used to give a reason or explanation, polite.
例句
雨が降るので行きません。
I'm not going because it is raining.
忙しいので手伝えません。
I can't help because I'm busy.
お金がないので買えません。
I cannot buy it because I have no money.
快速测验
因为没有钱,所以买不了。
Used to give a reason or explanation, polite.
雨が降るので行きません。
I'm not going because it is raining.
忙しいので手伝えません。
I can't help because I'm busy.
お金がないので買えません。
I cannot buy it because I have no money.
因为没有钱,所以买不了。