Correct

几曾

/ jī zēng / 
Strokes

Example

As an Adverb

［used in a rhetorical question to indicate negation］ when; at what time in the past

1
Zhè
这
shì
事
nǐ
你
jī
几
zēng
曾
wèn
问
guò
过
wǒ
我
  
?

You never asked me about it, did you?

2
Wǒ
我
bù
不
jìde
记得
wǒ
我
jī
几
zēng
曾
jiè
借
guò
过
nǐ
你
de
的
shū
书
  
。

I don't remember when I ever borrowed your book.