HSK 1 HSK C1/W1/V1
Correct

/ zài /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202005/在-Chinese-grammar-Cchatty-yyyy-1589851850.jpg

Formula

1
在 + Noun of Time + (时候/时期, 左右/前后, 之前/之后, 以前/以后, 同时)
2
(生, 死, 定, 发生, 出现, 安排) + 在 + Noun of Time

Definition

在 as Preposition:

1, 在 + Noun of Time

2, 在 + Noun of Place

 

在 as Verb:

1, indicate existence

2, to mean to lie in or depend on

Example

在 + Noun of Time, (as Preposition)
1. The structure is used to show the time of an ongoing action or event.
It can be followed by 时候/时期, 左右/前后, 之前/之后, 以前/以后, 同时, etc.

2. It is used to show the time when something appears, disappears or occurs.
The following Verbs are often used in this case: 生, 死, 定, 发生, 出现, 安排, etc.
在 + Noun of Time + (时候/时期, 左右/前后, 之前/之后, 以前/以后, 同时) (生, 死, 定, 发生, 出现, 安排) + 在 + Noun of Time
1
Zài
jīntiān
今天
zǎoshang
早上
diǎn
zuǒyòu
左右
  
,
nǎr  
去哪儿
le
  
?

Where did you go about 8 o'clock this morning?

2
Kāihuì
开会
de
shíjiān
时间
jiù
dìng
zài
jīntiān
今天
xià
下午
  

The meeting was set this afternoon.

在 + Noun of Place - 1, (as Preposition)
在 is used to indicate where an action takes place or goes on.
3
Zài
jiā
家里
  
,
shì
niánlíng
年龄
zuì
de
  

I am the oldest in my family.

4
Zài
běijīng
北京
  
,
zhège
这个
dòngyuán
动物园
zuì
  

This zoo is the biggest in Beijing.

在 + Noun of Place - 2, (as Preposition)
在 is used to show the change in position after an action takes place.
5
Qǐng
shū
fàngzài
放在
zhuōzi
桌子
shàng
  

Please put the book on the desk.

6
yàoshi
钥匙
wàng
zài
jiā
家里
le
  

I lost my key at home.

在 + Noun of Place - 3, (as Preposition)
在 means to live, be born or produce.
The following verbs are used in such sentences: 住, 出生, 发生, 诞生, 生长, etc.
7
chūshēng
出生
zài
1990
1990
nián
  

He was born in 1990.

8
zhù
zài
běijīng
北京
  

I live in Beijing.

在 as Verb - 1
To indicate existence.
9
gěi
de
shū
hái
zài
  
,
méi
diū
  

The book you gave me is still there, I didn't lost it.

10
ye
爷爷
jīng
已经
zài
le
  
,
nián
去年
shì
去世
le
  

My grandpa passed away last year.

在 as Verb - 2
To mean to lie in or depend on.
11
Xiànzài
现在
zěnme
怎么
xuǎn
选择
zài
自己
  
  
(
自己
lái
juédìng
决定
zhè
jiàn
shìqing
事情
  
  
)

It's up to you, you can decide this matter by yourself.

12
Zhè
jiàn
shì
cuò
jiù
cuò
zài
shuōhuǎng
说谎
le
  
  
(
cuò
le
shì
yīnwèi
因为
shuōhuǎng
说谎
le
  
  
)

You were wrong because you lied.

Exercise

Fill in the blanks with 在:

 

1. 你必须( )晚上十点之前回家。

2. 我奶奶( )去年九月份去世了。

3. 我姐姐去年( )中国学习汉语。

4. 妈妈( )上午九点去超市。

5. 你( )唱歌,我给你伴舞吧。

6. ( )家里, 我最健康。

7. 我们的婚礼定( )国庆节那天。

8. 我把手机忘( )在办公室了。