WFWord FormationSentences Intermediate Find worksheets on word formation for English ESL students. (BELIEVE)He has an unfortunate inability to understand people’s feelings (ABLE)Due to the clerk’s stubbornness we missed the train (STUBBORN)What we saw was beyond all expectation Download and print PDF worksheets with word formation exercises. All-time. Levels of Difficulty: Elementary Intermediate Advanced. Fill in the blanks with the correct form of the word from a list of options Word-formation