1. Grade 11 English Competency : 4.4
Unit One – Prefixes and suffixes Grade 11- English
Grade 11 English
Unit One
Competency : 4.4
Uses Affixes to change the word meaning
Affixes
Prefixes & Suffixes

2. Identify ways to use affixes meaningfully. Find ways of using affixes
Unit One – Prefixes and suffixes Grade 11- English
Objectives
Identify ways to use affixes
meaningfully.
Find ways of using affixes
appropriately.
Use affixes in conversation.
Value the ability to use affixes

3. Unit One – Prefixes and suffixes Grade 11- English

4. Unit One – Prefixes and suffixes Grade 11- English
Prefixes are added to the beginning of root or base words. When you add a prefix to a base word, you change the word’s meaning. Some common prefixes and their meanings.
re – again
dis – not
pre – before
un – not , opposite
mis – wrong
under – below

5. Find prefixes and the root words in the following.
Unit One – Prefixes and suffixes Grade 11- English
Prefixes
Find prefixes and the root words
in the following.
return preschool untied dishonest misbehave underwater replay preheat unable
mismatch underage redo
preview unlocked

6. Unit One – Prefixes and suffixes Grade 11- English

7. Unit One – Prefixes and suffixes Grade 11- English

8. Unit One – Prefixes and suffixes Grade 11- English

9. Unit One – Prefixes and suffixes Grade 11- English

10. Dis please displease Not to please in correct incorrect
Unit One – Prefixes and suffixes Grade 11- English
Prefixes
Dis
please
displease
Not to please in
correct
incorrect
Not to be correct un
likely
unlikely
Not likely
dis
respect
disrespect
Not show respect
fortunate
unfortunate
Not fortunate ir
regular
irregular
Not regular
lucky
unlucky
Not lucky

11. Find the meanings. Prefixes replay - underage - misprint - unable -
Unit One – Prefixes and suffixes Grade 11- English
Find the meanings.
Prefixes
replay -
underage -
misprint -
unable -
preheat -
rewind -
dishonest -
mistreat -
untied -
underwater -
unhappy -
preview -

12. misprint - print incorrectly unable - not able
Unit One – Prefixes and suffixes Grade 11- English
Prefixes
replay - to play again
underage - below age
misprint - print incorrectly
unable - not able
preheat - to heat before
rewind - wind again
dishonest - not honest
mistreat - treat wrongly
untied - not tied
underwater - below water
unhappy - not happy
preview - to view before

13. Find the Prefixes and fill in the blanks. (Ques.1)
Unit One – Prefixes and suffixes Grade 11- English
Find the Prefixes and fill in the blanks. (Ques.1)
------play - to play again
------age - below age
------print - to print incorrectly
------able - not able
------heat - to heat before
-----wind - to wind again
-----honest - not honest
-----happy - not happy

14. Find the Prefixes and fill in the blanks. (Ques.1)
Unit One – Prefixes and suffixes Grade 11- English
Find the Prefixes and fill in the blanks. (Ques.1)
replay - to play again
underage - below age
reprint - to print incorrectly
unable - not able
preheat - to heat before
rewind - to wind again
dishonest - not honest
unhappy - not happy

15. Unit One – Prefixes and suffixes Grade 11- English

16. Unit One – Prefixes and suffixes Grade 11- English
prefix and suffix

17. Suffixes are added to the end of root or base words. When you
Unit One – Prefixes and suffixes Grade 11- English
Suffixes
Suffixes are added to the end of
root or base words. When you
add a suffix to a base word,
you change the word’s meaning. Some common suffixes and their meanings:

18. smaller worthless careless loudest teacher tallest
Unit One – Prefixes and suffixes Grade 11- English
Suffixes
able – can be done
est - most
er – more
ful – full of
less – without
er – one who
Joyful careful
fearless youngest
smaller worthless careless
loudest teacher tallest

19. Write the correct suffix from the word bank for each root word below.
Unit One – Prefixes and suffixes Grade 11- English
Write the correct suffix
from the word bank
for each root word below.
Word Bank
ness
ment
ful
1. care ______________
2. hard______________
3. treat ______________
4. soft ______________
5. amaze ______________

20. Write the correct suffix from the word bank for each root word below.
Unit One – Prefixes and suffixes Grade 11- English
Write the correct suffix
from the word bank
for each root word below.
Word Bank
ness
ment
ful
1. care full_______
2. hardness_________
3. treatment ________
4. soft ness_______
5. amaze ment_______

21. Match the Suffix and Root Combine each root word in the
Unit One – Prefixes and suffixes Grade 11- English
Match the Suffix and Root
Combine each root word in the
bank with the correct suffix.
Use each suffix only once.(Ques.2)
Root Suffix
happy able
diction y
help ly
comfort ful
life ment
victor ary
expense ive
base like

22. Match the Suffix – Answers.
Unit One – Prefixes and suffixes Grade 11- English
Match the Suffix – Answers.
happily
dictionary
helpful
comfortable
lively
victory
expensive
basement

23. red - rather red – reddish day – happening everyday
Unit One – Prefixes and suffixes Grade 11- English
Use the suffixes – ish, -ly, -y, -less, -ile, -ful or less in the following words.
red - rather red – reddish
day – happening everyday
home – simple and plain
power – very strong
breath - out of breath
6. peace - without disturbance

24. Use the suffixes – ish, -ly, -y, -less,
Unit One – Prefixes and suffixes Grade 11- English
Use the suffixes – ish, -ly, -y, -less,
-ile, -ful or less in the following words.
red - rather red – reddish
day – happening everyday - daily
home – simple and plain - homely
power – very strong - powerful
breath - out of breath - breathless
6. peace - without disturbance - peaceful

25. ( non, re, multi, mal, over, fore, mis )
Unit One – Prefixes and suffixes Grade 11- English
Choose the following sentences by providing a suitable Prefix in the blanks.
( non, re, multi, mal, over, fore, mis )
1.Sri Lanka is a ……….cultural country.
2. ………. eating may result in obesity.
3. In public places ………. Smokers are also affected by smokers.
4. The met department ………cast heavy rains for 3 more days.
5. The company needs to be …….organized for better results.

26. ( non, re, multi, mal, over, fore, mis )
Unit One – Prefixes and suffixes Grade 11- English
Choose the following sentences by providing a suitable Prefix in the blanks.
( non, re, multi, mal, over, fore, mis )
1.Sri Lanka is a ……multi….cultural country.
2. …Over…. eating may result in obesity.
3. In public places …non…. Smokers are also affected by smokers.
4. The met department …fore…cast heavy rains for 3 more days.
5. The company needs to be …re...organized for better results.

27. Make the opposites of these by adding a prefix.
Unit One – Prefixes and suffixes Grade 11- English
Make the opposites of these by adding a prefix.
( mal, ir, un, dis, im, mis )
1. possible –
2. pleasant –
3. nutrition –
4. behave –
5. regular –
6. honest -

28. Make the opposites of these by adding a prefix.
Unit One – Prefixes and suffixes Grade 11- English
Make the opposites of these by adding a prefix.
( mal, ir, un, dis, im, mis )
1. possible – impossible
2. pleasant – unpleasant
3. nutrition – malnutrition
4. behave – misbehave
5. regular – irregular
6. honest - dishonest

29. Suffixes in nouns and adjectives. ist – artist, buddhist, realist
Unit One – Prefixes and suffixes Grade 11- English
Suffixes in nouns and adjectives.
ist – artist, buddhist, realist
ese – Japanese, Chinese, Nepalese
ful – useful, faithful, lawful, careful
ous – courageous, dangerous, famous
ive – attractive, active, massive

30. Suffixes in nouns and adjectives. ist – socialist, optimist,pessimist
Unit One – Prefixes and suffixes Grade 11- English
Suffixes in nouns and adjectives.
ist – socialist, optimist,pessimist
an – human, Sri Lankan, Indian,
en – widen, sharpen, lengthen
ly – quickly, simply, quietly
ward – wards – upwards, downwards, towards

31. Complete the following sentences using the suitable suffixes. (Ques.3)
Unit One – Prefixes and suffixes Grade 11- English
Complete the following sentences using the suitable suffixes. (Ques.3)
This is the mana…….. of the people’s bank.
2. We can listen to wonder……. music here.
3. Japan is an industri…….. country.
4. He got very good experi…….. there.

32. Complete the following sentences using the suitable suffixes.
Unit One – Prefixes and suffixes Grade 11- English
Complete the following sentences using the suitable suffixes.
This is the manager…….. of the people’s bank.
2. We can listen to wonderful……. music here.
3. Japan is an industrial…. country.
4. He got very good experience….. there.

33. Identify ways to use affixes meaningfully. Find ways of using affixes
Unit One – Prefixes and suffixes Grade 11- English
Objectives
Identify ways to use affixes
meaningfully.
Find ways of using affixes
appropriately.
Use affixes in conversation.
Value the ability to use affixes