Adding Suffixes to Root Words (-s, -es)

Adding Suffixes to Root Words (-s, -es) exercise

• Which suffixes can change words from singular to plural?

  Hints

  Here is an example of words being changed from singular to plural. Look for the suffix that is being used.

  Here is an example of words being changed from singular to plural. Look for the suffix that is being used.

  There is only one correct answer.

  Solution

  These suffixes can change words from singular to plural.

• Which suffix do you add to make the word plural?

  Hints

  Add the suffix -s to words that end in a vowel then y.

  Here are some examples.

  Some examples of words that end in y and have the plural suffix are:

  • keys
  • journeys
  • trolleys
  • valleys
  • chimneys

  Solution

  Add the suffix -s to words that end in a vowel then y to make them plural.

  • turkey --> turkeys
  • monkey --> monkeys
  • donkey --> donkeys
  • kidney --> kidneys

• Pair the singular word to its plural form.

  Hints

  Use this rule to make fox and glass plural.

  Use this rule to make leaf plural.

  Use this rule to make puppy plural.

  Solution

  Here you can see the correct answers.

  • Fox and glass are words that end with x and ss, so we add -es to the end to make them plural.
  • Leaf ends with f so we replace the f with v and add -es to the end.
  • Puppy ends with a consonant then y so we replace y with i and add -es to the end.

• Use what you know about suffix rules to make each word plural.

  Hints

  Use this rule to make two of the words above plural.

  Use this rule to make the other two words plural.

  Solution

  Here you can see the correct answers.

  • Baby and bunny end with a consonant then y, so replace the y with and i and add -es.
  • Brush and box are words that end with sh and x, so add -es to the end.

• Which option is the correct plural form of the word "zoo"?

  Hints

  Add the suffix -s to words that end with o.

  This word ends in an o, so you add the suffix -s.

  These words end in -o or -oo, and become plural when you add the suffix -s:

  • taco --> tacos
  • igloo --> igloos

  Solution

  The word zoo ends with the vowel o. Add the suffix -s to make zoo plural.

• Find the correct plural form of each word using the suffix rules you have learned.

  Hints

  Use this to help you turn peach into a plural word.

  Use this to help you turn city into a plural word.

  Use this to help you turn werewolf into a plural word.

  Solution

  Here you can see the correct answers.

  • Werewolf ends with f, so we replace the f with v then add -es.
  • Peach ends with ch, so we add -es to the end.
  • City ends with a consonant then y, so we replace the y with i and add -es.
  • Birthday ends with a vowel then y, so we add -s to the end.