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Unit 9: Adding suffixes: the spelling rules

Page 13 of 19

Unit 9: Suffixes: why we need to double letters, change them or drop 'e'

Unit StartCourse Test: Vowel and consonant suffixes. Spelling testPage 2: Vowel and consonant suffixes. Spelling testPage 3: Vowel and consonant suffixes. Spelling testCourse Test: The doubling rule, part 1. Spelling testPage 5: The doubling rule, part 1. Spelling testCourse Test: The doubling rule, part 2. Spelling testPage 7: The doubling rule, part 2. Spelling testCourse Test: The doubling rule, part 3. Spelling testPage 9: The doubling rule, part 3. Spelling testCourse Test: When to drop the letter e. Spelling testPage 11: When to drop the letter e. Spelling testCourse Test: The 'Change y' rule, part 1. Spelling testPage 13: The 'Change y' rule, part 1. Spelling testCourse Test: The 'Change y' rule, part 2. Spelling testPage 15: Rules and rule breakersCourse Test: Changing -f to -ves. Spelling testPage 17: Changing -f to -ves. Spelling testCourse Test: A final Spelling test on all the suffix rulesPage 19: A final Spelling test on all the suffix rulesUnit End

Page 13 of 19

The Spelling Rules for Adding Suffixes:

When do you change the letter y ?
When does the y stay the same ?

You skipped the test.

 

Rule breakers break the spelling rule

A lot of words follow these rules, but not all.

Here are some examples:
shy + ness = shyness shy + ly = shyly
dry + ness = dryness dry + ly = dryly or drily dry + er = dryer or drier

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