Adding an ‘s’ to …y ending words

We might want to add an -s to words that end with -y, such as to make the nouns city or trolley plural. We might also want to conjugate the present tense of the verbs buy or copy from I to He.

It’s not often that there is a simple rule in English grammar. Thankfully in the above situation, there is…

If the letter before the -y is a consonant, drop the -y and add an ‑ies.
  • One city → Two cities
  • I copy → He copies
If the letter before the -y is a vowel, simply add an -s.
  • One boy → Two boys
  • buy → He buys

That’s it – try (or maybe have several tries at) this worksheet…


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