Unit 9: Suffixes: why we need to double letters, change them or drop 'e'
Page 16 of 19
Usually, we add the suffixes -s or -es to make plurals.
| car > cars | train > trains | bus > buses | coach > coaches |
As you saw before, some words ending in y need to change:
| baby > babies | puppy > puppies | story > stories |
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This is also true for some words ending in f: |
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Not all words ending in -f follow this rule. Some stay the same:
| chiefs | beliefs | roofs | proofs |
... and all words ending in -ff stay the same:
| cliffs | muffs | tiffs | skiffs |
And a few words can be spelled both ways (English is a strange language!):
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