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Root Words: Using Suffixes to Make Verbs 3

In this worksheet students, practise adding suffixes to words where the root word also needs to be changed.

'Root Words: Using Suffixes to Make Verbs 3' worksheet

Key stage:  KS 2

Curriculum topic:   Reading: Word Reading

Curriculum subtopic:   Root Word Awareness

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

The suffix -ify can be used to change nouns and adjectives into verbs.

solid + ify = solidify

 

However, sometimes the root word changes before the suffix is added.

peace + ify = pacify

horror + ify = horrify

 

The suffix -ate can also change nouns and adjectives into verbs, but again the root word often changes as well.

medical + ate = medicate

pollen + ate = pollinate

 

In this activity, you can practise adding suffixes to words where the root word also needs to be changed.

Match up the root nouns and adjectives on the left with the verbs ending in -ify on the right.

 

detective

Pay attention to the spellings as you may need them in later questions.

 

Column A

Column B

mystery
pacify
clear
electrify
identity
clarify
electric
mystify
peace
identify

Match up the root nouns and adjectives on the left with the verbs ending in -ate on the right.

 

Pay attention to the spellings as you may need them in later questions.

Column A

Column B

circle
circulate
value
evaluate
site
situate
medical
medicate

Choose the correct verb to complete the sentence. It may help to think about the meaning of the root word if you are not sure what the verb means.

 

The hotel was __________ next to the beach.

situated

circulated

evaluated

medicated

Choose the correct verb to complete the sentence. It may help to think about the meaning of the root word if you are not sure what the verb means.

 

Jack didn't understand the question so he asked his teacher to __________ it for him.

horrify

electrify

clarify

pacify

Choose the correct verb to complete the sentence. It may help to think about the meaning of the root word if you are not sure what the verb means.

 

The victim was asked to __________ the thief from a photograph.

pacify

mystify

identify

clarify

Choose the correct verb to complete the sentence. It may help to think about the meaning of the root word if you are not sure what the verb means.

 

Olivia opened the window so that air could __________ around the room.

medicate

pollinate

situate

circulate

This time, make the adjective into a verb by adding the suffix -ate or -ify. Think about whether you need to change the root word or not.


Write the new word in the answer box.

 

elastic

Make the noun into a verb by adding the suffix -ate or -ify. Think about whether you need to change the root word or not.


Write the new word in the answer box.

 

horror

Make the noun into a verb by adding the suffix -ate or -ify. Think about whether you need to change the root word or not.


Write the new word in the answer box.

 

pollen

Make the noun into a verb by adding the suffix -ate or -ify. Think about whether you need to change the root word or not.

 

peace

  • Question 1

Match up the root nouns and adjectives on the left with the verbs ending in -ify on the right.

 

detective

Pay attention to the spellings as you may need them in later questions.

 

CORRECT ANSWER

Column A

Column B

mystery
mystify
clear
clarify
identity
identify
electric
electrify
peace
pacify
EDDIE SAYS
How did you get on? Here the spelling of the root word changes too, so it's not as simple as just adding the suffix on the end! We have to remember how the spelling of the whole word changes.
  • Question 2

Match up the root nouns and adjectives on the left with the verbs ending in -ate on the right.

 

Pay attention to the spellings as you may need them in later questions.

CORRECT ANSWER

Column A

Column B

circle
circulate
value
evaluate
site
situate
medical
medicate
EDDIE SAYS
Did you match them correctly? Keep up the hard work!
  • Question 3

Choose the correct verb to complete the sentence. It may help to think about the meaning of the root word if you are not sure what the verb means.

 

The hotel was __________ next to the beach.

CORRECT ANSWER
situated
EDDIE SAYS
'The hotel was situated next to the beach.'
  • Question 4

Choose the correct verb to complete the sentence. It may help to think about the meaning of the root word if you are not sure what the verb means.

 

Jack didn't understand the question so he asked his teacher to __________ it for him.

CORRECT ANSWER
clarify
EDDIE SAYS
Jack asked the teacher about the question so that it was more clear for him to understand.
  • Question 5

Choose the correct verb to complete the sentence. It may help to think about the meaning of the root word if you are not sure what the verb means.

 

The victim was asked to __________ the thief from a photograph.

CORRECT ANSWER
identify
EDDIE SAYS
'The victim was asked to identify the thief from a photograph.' To identify the thief means to remember what his face looked like and then choose the correct photograph.
  • Question 6

Choose the correct verb to complete the sentence. It may help to think about the meaning of the root word if you are not sure what the verb means.

 

Olivia opened the window so that air could __________ around the room.

CORRECT ANSWER
circulate
EDDIE SAYS
'..so that the air could circulate around the room.' The air could move around the room freely.
  • Question 7

This time, make the adjective into a verb by adding the suffix -ate or -ify. Think about whether you need to change the root word or not.


Write the new word in the answer box.

 

elastic

CORRECT ANSWER
Elasticate
EDDIE SAYS
This is a straightforward one. No need to change the root word here!
  • Question 8

Make the noun into a verb by adding the suffix -ate or -ify. Think about whether you need to change the root word or not.


Write the new word in the answer box.

 

horror

CORRECT ANSWER
Horrify
EDDIE SAYS
'I'm so sorry, I didn't mean to horrify you!'
  • Question 9

Make the noun into a verb by adding the suffix -ate or -ify. Think about whether you need to change the root word or not.


Write the new word in the answer box.

 

pollen

CORRECT ANSWER
Pollinate
EDDIE SAYS
Did you remember to change the 'e' to an 'i'?
  • Question 10

Make the noun into a verb by adding the suffix -ate or -ify. Think about whether you need to change the root word or not.

 

peace

CORRECT ANSWER
Pacify
EDDIE SAYS
The root word changes here, and looks quite different once it's changed to 'pacify'. 'I had to pacify my baby and give them the dummy to suck.'
---- OR ----

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