are 

  1. 動詞
及物動詞:
be動詞所有人稱複數與第二人稱單數現在式: 是...(人事物)
值...(數值)
等於...(人事物)
(人、動物、名字等)叫...(指定名字等)

    同義字詞
breathe,exist,live,subsist
bear,lie,sit,stand
grade,place,rank,rate,stand
befall,betide,chance,come,come about,come down,come off,cook,do,go on,happen,occur,pass,transpire

  2. 助動詞
are ...(過去分詞動詞...)
被做...
are ...(動詞ing...):
正在做...
在做...

    
                        
    3. 
                                                                        
  3. 

    語法
(問句)Are ...(人事物):
...是嗎?
(問句)Are ...(A: 人事物) ...(B: 動詞ing...):
(A)正在做(B)嗎?
(A)在做(B)嗎?
(問句)Are ...(A: 人事物) ...(B: 過去分詞動詞...):
(A)被做(B)嗎?
(問句)Are ...(A: 人事物) ...(B: 人事物):
(A)是(B)嗎?
(問句)Are ...(A: 人事物) ...(B: 形容詞):

    


    
                        
    4. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                Her last years are somewhat mysterious.                            
    2. 
                                                    
  2. 
                                Are you limited to just one train ride?                            
    3. 
                                                    
  3. 
                                There are 86 traditional public markets.                            
    4. 
                                                    
  4. 
                                Well er, er some places are very strict.                            
    5. 
                                                    
  5. 
                                And these are just the two we know about!                            
    6.