Pluralizing Countable Nouns

Rule 2.1: Add s to countable nouns when referring to 2 or more in number, i.e. when they are in plural form.

The stars look beautiful. (more than 1 star)
The old man had many candles on his birthday cake. (more than 1 candle)
Can you buy some bagels at the store? (more than 1 bagel)
I always eat potato chips when I’m sad. (more than 1 potato chip)

Exercise 1: Correct or incorrect?

Exercise 2: Pluralize the following words: