The 1-1-1 Rule: Double the final consonant after one syllable, one vowel, and one consonant before adding 'ing', 'ed', 'er', or 'est'.
A colorful educational infographic explaining the "1-1-1 Rule" for doubling final consonants in English spelling when adding suffixes like 'ing', 'ed', 'er', or 'est'.
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ID: #648126