grammar

to list the grammar points by HSK level

ID: 84
compare:
HSK: 1
format: Time / Verb + 以前 ,⋯⋯
example: 吃饭 以前 ,你 洗 手 了 吗?
details:
exception:
keyword: 以前
class: nt
short:
long: 以前
answer:
question:
theme:
Tags: