HSK 6 grammar · particle
所
所 — structural 所 (所 + verb; 为…所…)
Pattern
+ + +
+ + +
a passive
( ) can be left out · other words may come before, between and after
How it works
The structural particle 所 goes before a transitive verb to form a noun-like phrase — 所说的话 (what is said), 我所知道的 (what I know). In formal writing it also appears in the 为…所… passive.
Examples
这正是我所需要的。
Zhè zhèng shì wǒ suǒ xūyào de.
This is exactly what I need.
他所做的一切都是为了家人。
Tā suǒ zuò de yíqiè dōu shì wèile jiārén.
Everything he does is for his family.
他为人们所熟知。
Tā wéi rénmen suǒ shúzhī.
He is well known to people.
Related
See it in a story
In the app, 所 is underlined wherever it appears in the stories you read, and practised with sentences from them. Free.