Adding -s or -es to make plurals

Add the ending -s or -es to the base word sock.

Add the ending -s or -es to the base word glass.

Add the ending -s or -es to the base word watch.

Add the ending -s or -es to the base word dress.

Add the ending -s or -es to the base word box.

Add the ending -s or -es to the base word dish.

Add the ending -s or -es to the base word frog.

Add the ending -s or -es to the base word to complete the sentence. Three (a)   were filled with sand. (bucket)

Add the ending -s or -es to the base word to complete the sentence. There were many (a)   in the sink. (dish)

If a word ends with ch, you need to add an -es to the base word.