Answer Key

Verb suffixes

Use the words in brackets to form verbs. Use the following suffixes: 
-en, -ify, -ise/-ize
  1. Would it be possible to  [simplify] (simple) the procedure? 
  2. Unfortunately nobody has been able to  [identify] (identity) the body yet. 
  3. The library information system is going to be  [modernized, modernised] (modern) next year. 
  4. Let's  [sweeten] (sweet) your common day with something special! 
  5. We won't let anyone  [terrorize, terorrise] (terror) our neighborhood. 
  6. Meeting that little boy really  [brightened] (bright) my day. 
  7. Although I am not a regular church-goer, I would like to have my children  [baptized, baptised] (baptism). 
  8. As you can see, those strict rules have  [loosened] (loose) over the years. 
  9. We are going to discuss why it is necessary to  [strengthen] (strength) financial regulations. 
  10. This magazine tries to  [popularise, popularize] (popular) science, specifically chemistry.

Some verbs for you to remember:

-en Lighten, lengthen, sadden, brighten, loosen, sweeten, widen, frighten, strengthen, threaten
-ify Identify, simplify, certify, horrify, terrify, verify, magnify
-ize (American) / -ise (British) Modernize, specialize, popularize, baptize, sterilize, privatize, terrorize, apologize, realize