About Course
When do you double a letter, drop an e or change y to i? Learn the main rules for adding suffixes such as -ing, -ed, -er, -ful, -ly, -ment, -able and -ous, including the stress rule for longer words, British spellings like travelled and cancelled, and the key exceptions.
Tutwoo is an independent learning provider. Spellings follow standard British English; where more than one spelling is accepted, follow your organisation’s house style.
Course Content
Course Lessons
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Vowel suffixes and consonant suffixes
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Doubling the final consonant
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Dropping the e and changing the y
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British spelling, -ly words and checking
Sources & Further Reading
Final Assessment
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