English · Chapter 25 · Lesson 5 · Grammar primer
Word formation with suffixes
How -ness, -ment and -tion build nouns, -ful, -less and -able build adjectives, and the ending gives away the job a word does before you know what it means.
The lesson is a long-form read rather than a flashcard session. Open the primer below, work through it once, then come back and continue with the next lesson.
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