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 :
just
 :
auxiliary verb


 :
office
 :
cold

 :
some
 :
road

 :
road, street

 :
become icy; to freeze

 :
walk

 :
be careful
 :
heart

 :
slip and fall down

 :
yes
 :
interjection (at the end of sentence) 

 :
here

 :
particularly
 :
as soon as (example: The weather became hot as soon as April this year.) 

 :
to start
 :
to open

 :
to snow
 :
snow
 :
short

 :
although
 :
hot
 :
but ; however
 :
the most
 :
yeah... 
 :
tree
 :
leave
 :
become
 :
red
 :
quite, pretty (example: pretty good, pretty cold) 

 :
beautiful; pretty

 :
yes; sure; exactly; it is true

 :
but ; however
 :
fall


 :
we will never finish sweeping
 :
sweep
 :
finish
 :
year

 :
season

 :
spring

 :
summer

 :
fall

 :
winter

 :
date

 : 
season

 , 
 , 
 , 
 
 : 
month

 , 
 , 
 , 
 , 
 , 
 , 
 , 
 , 
 , 
 , 

 , 

 
 :
date 



 : 
January ninth 



 : 
April fifth



 : 
October eighth 






 : 
December twenty-fifth

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 |   S.  |  ![]()  |   N.  |   V.   |     . | 
|---|---|---|---|---|
    |      |  ![]()     |     .   |   . | 
     |      | |||
  ![]()     |      ![]()  | |||
Note : 
	The word "
 " is used here to describe an event in the past, an action already finished

....... ; 
... (.... 
.. ; ..
...) 



; 



 .






 ; 




 .






 ; 







.  
Although... ( but )... 
 
Although it snows, (but) the weather is not cold. 
Although he speaks Chinese, (but) he doesn't know how to write Chinese. 
(Although) I have some information, but I forgot it in my office. 
![]() ![]() ![]() ![]() ![]() ![]()   .
 | There are four seasons in a year. | 
![]() ![]() ![]() ![]() ![]() ![]() ![]()   . 
 | There are twelve months in a year. | 
 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()   . 
 | There are three hundred sixty-five days in a year. | 
![]() ![]()  . 
 | Spring is short. | 
![]() ![]()  . 
 | It's hot in summer. | 
![]() ![]() ![]() ![]()  . 
 | Leaves turn red in fall. | 
![]() ![]() ![]() ![]() ![]() ![]()  . 
 | It's particularly cold in winter when it snows. | 
![]() ![]() ![]() ![]() ![]() ![]()  ,![]() ![]() ![]() ![]() ![]()  . 
 | Among the four seasons, I like fall the most. | 
  
 | leaves | 
![]()  
 | leaves (on tree) | 
![]()  
 | falling leaves | 
![]() ![]() ![]() ![]()  .
 | Leaves have turned red. | 
![]() ![]() ![]() ![]() ![]()   .
 | Leaves starti to fall down. | 
![]() ![]() ![]() ![]() ![]()   .
 | Falling leaves are quite pretty. | 
 
 | walk | 
![]()  
 | walk (on the road) | 
![]() ![]() ![]()  
 | be careful when you walk (on the road) | 
![]() ![]() ![]() ![]() ![]() ![]()   .
 | Students go to school by foot | 
 
 | road | 
![]()  
 | road, street | 
![]() ![]() ![]()  
 | The streets are icy. | 
![]() ![]() ![]()  
 | Be careful on the street. | 
![]()   ! ![]() ![]() ![]()   !
 | Be careful! Don't slip! |