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Root Words: Using Suffixes to Make Verbs 1

In this worksheet, students practise changing adjectives into verbs by adding the suffixes -en and -ify.

'Root Words: Using Suffixes to Make Verbs 1' worksheet

Key stage:  KS 2

Curriculum topic:   English

Curriculum subtopic:   Grammar: Nouns, Verbs & Tenses

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

A suffix is a letter or a group of letters added to the end of a word. Using a suffix lets us make new words.

for example: tight + en = tighten

 

The suffix -en is used to change many adjectives (describing words) into verbs (doing or action words).

for example: sweet + en = sweeten

Mum's tea was not very sweet. (adjective)

She put sugar in it to sweeten it. (verb)

 

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

for example: simple + ify = simplify (the 'e' is dropped before the suffix is added)

The sums were quite simple. (adjective)

I was struggling with my sums so my teacher simplified them for me. (verb)

Write the verb that is formed when you add the suffix -en to the following adjective.

 

straight

Write the verb that is formed when you add the suffix -en to the following adjective.

 

bright

Write the verb that is formed when you add the suffix -en to the following adjective.

 

loose

Write the verb that is formed when you add the suffix -ify to the following adjective.

 

pure

Write the verb that is formed when you add the suffix -ify to the following adjective.

 

solid

Write the verb that is formed when you add the suffix -ify to the following adjective.

 

note

For the next four questions you need to read the sentences and then change the underlined adjective into a verb to complete the second sentence. Write the new word in the box.

 

The bananas were not ripe so we couldn't eat them.


We had to wait for the bananas to __________.

 

(The suffix you need is -en.)

Read the sentences and then change the underlined adjective into a verb to complete the second sentence. Write the new word in the box.

 

The criminal tried to give false evidence to the police.

 

The criminal tried to __________ his evidence.

 

(The suffix you need is -ify).

Read the sentences and then change the underlined adjective into a verb to complete the second sentence. Write the new word in the box.

 

Meena's dress wasn't the right length.


Her mum let the hem down to __________ it.

 

(The suffix you need is -en.)

Read the sentences and then change the underlined adjective into a verb to complete the second sentence. Write the new word in the box.

 

Peter's pencil wasn't very sharp.


He went to his teacher's desk to __________ it.

 

(The suffix you need is -en.)

  • Question 1

Write the verb that is formed when you add the suffix -en to the following adjective.

 

straight

CORRECT ANSWER
straighten
  • Question 2

Write the verb that is formed when you add the suffix -en to the following adjective.

 

bright

CORRECT ANSWER
brighten
  • Question 3

Write the verb that is formed when you add the suffix -en to the following adjective.

 

loose

CORRECT ANSWER
loosen
EDDIE SAYS
The adjective 'loose' already ends in 'e' so you only need to add 'n'.
  • Question 4

Write the verb that is formed when you add the suffix -ify to the following adjective.

 

pure

CORRECT ANSWER
purify
EDDIE SAYS
Did you remember to drop the 'e' first?
  • Question 5

Write the verb that is formed when you add the suffix -ify to the following adjective.

 

solid

CORRECT ANSWER
solidify
  • Question 6

Write the verb that is formed when you add the suffix -ify to the following adjective.

 

note

CORRECT ANSWER
notify
  • Question 7

For the next four questions you need to read the sentences and then change the underlined adjective into a verb to complete the second sentence. Write the new word in the box.

 

The bananas were not ripe so we couldn't eat them.


We had to wait for the bananas to __________.

 

(The suffix you need is -en.)

CORRECT ANSWER
ripen
  • Question 8

Read the sentences and then change the underlined adjective into a verb to complete the second sentence. Write the new word in the box.

 

The criminal tried to give false evidence to the police.

 

The criminal tried to __________ his evidence.

 

(The suffix you need is -ify).

CORRECT ANSWER
falsify
EDDIE SAYS
Did you remember to drop the 'e'?
  • Question 9

Read the sentences and then change the underlined adjective into a verb to complete the second sentence. Write the new word in the box.

 

Meena's dress wasn't the right length.


Her mum let the hem down to __________ it.

 

(The suffix you need is -en.)

CORRECT ANSWER
lengthen
  • Question 10

Read the sentences and then change the underlined adjective into a verb to complete the second sentence. Write the new word in the box.

 

Peter's pencil wasn't very sharp.


He went to his teacher's desk to __________ it.

 

(The suffix you need is -en.)

CORRECT ANSWER
sharpen
---- OR ----

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