2. Prefix and Suffix Prefixes are put at the beginning of a word to change its meaning. Suffixes go at the end of a word to change its meaning

3. When you are trying to figure out the meaning of an unfamiliar word, it helps to try to break the word down into parts. Prefixes and suffixes often provide valuable clues as to the meaning of words.

4. prefix pre- "

5. They will show a sneak preview of the movie. BEFORE

6. un- "not ": The plot was unbelievable

7. dis "not": I disagree with you on that point.

8. re "again": She will rewrite that part of the story.

9. Mis/im/ Ex/de mis- "not": I must have misunderstood her. im- "not": That is impossible. ex- former or away/not ex-girlfriend (former girlfriend de- "not": The airlines are deregulated

10. bi "two": She rides a bicycle to school.

11. others post- after post-war (after the war). mono- one monopoly (when one company has power) multi- many multicolor (many colors) micro- small microscope (device used to look at small objects)

12. suffix -er " doer": Mrs. Solomon is an outstanding teacher. ! -

13. -able "able to": The plot was unbelievable

14. ous " full of; having qualities of": Exploring space can be dangerous.

15. others ness "state of being": She was filled with happiness. -ful "full of": The train ride was wonderful. -ly or -y "like": She talked gently. -ment "state of": That part of government passes laws. -est most largest (most large) -less without hopeless (without hope) -logy the study of mineralogy (the study of minerals) -ly in a way or manner happily (in a happy manner)