How to add -s to verbs in Present Simple (3rd person singular)

Let’s explain clearly why "play" becomes "plays" and NOT "plaies."

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📘 Rule: How to add -s to verbs in Present Simple (3rd person singular)

When the subject is he, she, or it, we usually add -s to the verb:

• He plays

• She eats

• It rains

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🔤 Rule for verbs ending in -y:

✅ If the verb ends in a vowel + y, just add -s:

• play → plays

• enjoy → enjoys

• say → says

✔ Because the letter before y is a vowel (a, e, i, o, u)

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❌ If the verb ends in a consonant + y, change y to i and add -es:

• study → studies

• cry → cries

✔ Because the letter before y is a consonant

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✨ So in your case:

• play ends in "a + y" → vowel + y
  ✅ So we just add s → plays

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❌ "plaies" is incorrect because:

• "play" ends in a vowel + y

• You don’t change "y" to "i" after a vowel

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✅ Correct:

• play → plays

• study → studies