HSK 5 HSK V5
Correct

除非

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

Formula

1
除非……,才……
2
除非……否则(不然)……
3
除非……,才……,否则……
4
…… , 除非……

Definition

除非 is a Conjunction, means [only if, but for], it used to emphasize the only condition.

Example

除非……,才……
It means only under this condition will the desired result be produced.
除非……,才……
1
Chúfēi
除非
yāoqǐng
邀请
  
,
cái
huì
lái
  

He will come unless you invite him.

2
Chúfēi
除非
shēng
医生
kāi
de
yào
  
,
cái
néng
chī
  

You can take the medicine unless the doctor prescribes it.

除非……否则……
It means "this is the only way to get a certain result".
In this case, the structure "除非……,不然……" can also be used.

不然 is often used in spoken Chinese, while 否则 can be used in both spoken Chinese and written Chinese.
除非……否则(不然)……
3
Chúfēi
除非
yāoqǐng
邀请
  
,
fǒu
否则
huì
不会
lái
  

He won't come unless you invite him.

4
Chúfēi
除非
shēng
医生
kāi
de
yào
  
,
fǒu
否则
néng
chī
  

You can't take the medicine unless the doctor prescribes it.

除非……,才……,否则……
The structure means only under this condition will the desired result be produced.
除非……,才……,否则……
5
Chúfēi
除非
yāoqǐng
邀请
  
,
cái
huì
lái
  
,
fǒu
否则
dìng
一定
huì
不会
lái
  

He won't come unless you invite him.

6
Chúfēi
除非
míngtiān
明天
xià
下雨
  
,
men
我们
cái
wánr  
玩儿
  
,
fǒu
否则
men
我们
dìng
一定
huì
  

We will go out unless it rains tomorrow.

…… , 除非……
In this structure, the result is presented first which can be produced only if the following condition is missing.
Or the following condition must be satisfied so that the preceding result can be avoided.
…… , 除非……
7
dìng
一定
huì
不会
lái
  
,
chúfēi
除非
yāoqǐng
邀请
  

He won't come unless you invite him.

8
měitiān
每天
dōu
lái
shàng
上课
  
,
chúfēi
除非
shēngbìng
生病
le
  

He is in class every day unless he is sick.

Exercise

Fill in the blanks with 除非 and the conjunctions it collocate with:

 

1. ( )是周末,他( )在家。

2. 你说的事我不相信,( )我自己亲眼看到。

3. ( )坚持做运动,( )能减肥,( )会越来越胖。

4. ( )你不告诉别人,我( )把这个秘密告诉你。

5. ( )得到妈妈的同意,他( )能去游泳,( )不行。

6. 这篇文章太难了,( )老师解释,( )我一定看不懂。

7. 你给我发e-mail,我一定会回,( )我没有收到。

8. 我决定下个月去旅行,( )突然发生很重要的事。