HSK C3/W3/V4
Correct

/ céng /
Strokes

Collocation

1
不曾
2
未曾
3
曾来过
4
曾去过
5
曾学过
6
曾到过
7
曾做过

Definition

曾 is an Adverb, which means "once; already; ever (in the past); former; previously, (past tense marker used before verb or clause).

Example

曾 as an Adverb.
1
zēng
zài
zhōngguó
中国
xué
guò
liǎng
nián
hàn
汉语
  

He studied Chinese in China for two years.

2
nián
qián
men
我们
zēng
zài
一起
gōngzuò
工作
guò
  

We worked together a few years ago.

3
xué
大学
毕业
hòu
  
,
zēng
dāng
guò
liǎng
nián
de
zhōngxué
中学
lǎoshī
老师
  
,
hòulái
后来
cái
kǎoshàng
考上
yánjiūshēng
研究生
  

After graduating from university, I worked as a secondary school teacher for two years before I was admitted to graduate school.

4
zēng
gěi
guò
fēng
xìn
  
,
shì
可是
zhí
一直
méiyǒu
没有
gěi
huíxìn
回信
  

I had sent him a letter, but he had never replied to me.

5
hái
céng
不曾
guò
xiàmén
厦门
  

I haven't been to Xiamen yet.

6
wèicéng
未曾
shàng
guò
xué
大学
  
,
shì
可是
hòulái
后来
què
chéng
le
yǒumíng
有名
de
shùxué
数学
jiā
xué
大学
jiàoshòu
教授
  

He never went to college, but later became a well-known mathematician and university professor.