EXERCISES 
I.    Change the form of these words by adding the correct derivational affixes.
             Noun              Verb           Adjective          Adverb
 
    1.       action                   act                    active                      actively
                                       
    2.          form                  formulate            formal                    formally
 
    3.          teacher              teach                teachable               teachably
 
    4.          part                    depart               partial                     partially 

    5.          beauty              beautify            beautiful                 beautifully
 
II.   Use inflectional suffixes to make the sentences grammatically correct.
 
    1.  The school was work hard for donations. (working)
 
    2.  The boy paper was written on the computer. (boy's)
 
     3.  That ladder is the high among the three. (highest)

     4.  This picture is the pretty of the two.  (prettier)

     5.   All of the dog bones were put in their bowls for their dinner. (dogs')