一句话一个克林斯字典基本单词B

81、began        
        Began is the past tense of begin.
   

82、begin        

begin  begins  beginning  began  begun 

    To begin to do something means to start doing it.
   

83、beginning        
        The beginning of an event or process is the first part of it.
      

84、begun        
        Begun is the past participle of begin.
   

85、behalf        
      If you do something on someone's behalf, you do it for that person as their representative. The form in someone's behalf is also used, mainly in American English.
   

86、behave        
      The way that you behave is the way that you do and say things, and the things that you do and say.
    

87、behaviour        
      People's or animals' behaviour is the way that they behave. You can refer to a typical and repeated way of behaving as a behaviour.
   

88、behind 1  preposition and adverb uses        
       In addition to the uses shown below, behind is also used in a few phrasal verbs, such as `fall behind' and `lie behind'.

    If something is behind a thing or person, it is on the other side of them from you, or nearer their back rather than their front.
      

89、behind 2  noun use         
     
    Your behind is the part of your body that you sit on.
        = bottom

90、being        
      Being is the present participle of be.