The TOEFL iBT Official Prep Book (Volume I)

Reading 5: Affixes

Answer Key

Activity 5.1 (second part) and Activity 5.2 (first and second parts)

Prefixes 2. Use a prefix from the chart in the first part of the activity to complete the words. a. transatlantic b. abnormal c. underperforming d. postoperative e. intergenerational

f. polyphonic g. preregister

h. substandard i. misunderstood j . recycle

Suffixes 1 . What part of speech do the following suffixes indicate? Write them in the correct category. Then think of at least one example for each .

Noun

Verb

Adverb

Adjective

-ive -ous -ic -al -able -ly -ate -ful

-ly -ward

-ate -fy -ize

-ance/-ence -tion -ment

-ity -ist -ness

Suffix

2 . A . symbiotic: adjective . “sym” means “together” or “same .” “bio” means “life .” interaction: noun . “inter” means “among or between .” “act” means “to do or move .” biological: adjective . “bio” means “life” and “logi” means “the study of.” community: noun. This word does not have a prefix or a root. populations: noun . “pop” means “people .” potentially: adverb. “potent” means “capable or powerful.”

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