5629 forming opposites using prefixes

The
The opposites
opposites
of
of some
some words
words

DIS

can
can be
be formed
formed
by
by adding
adding aa

UN

prefix.
prefix.

IL

IN

IR
IM
Look
Look at

at these
these
examples:
examples:
unaware,
unaware, inconsiderate,
inconsiderate,
disappear,
disappear, irregular,
irregular,
illegal,
immovable.
illegal, immovable.
Use the right prefix to form the
opposite to complete each sentence
correctly.
1. An ………. event is on which is not
likely to happen.
2. An object which cannot be moved
is ……………….
3. An ………….. person give no thanks
for kindness received.
4. Another word for unlawful is ……. .
5. An …………… person is not
responsible for his actions.
6. An ………….. thing is something you
can do without.
7. The word ………… means unlucky.
8. A ………. person is rude and ill –
mannered.

sane
sane
fortunate
fortunate

usual
usual
movable
movable
courteous
courteous
necessary
necessary
legal
legal
grateful
grateful

1. certain
2. sane
3. obedient
4. regard
5. reverent
6. perfect
7. fortunate
8. helpful
9. connect
10. patient
11. proper

12. approve

Use the right prefix to
form the opposite of the
words below.

13. grateful
14. human
15. honest
16. usual
17. efficient
18. continue
19. probable
20. orderly
21. regard
22. regular
23. courteous
24. similar
Use
Use these
these phrases
phrases in
in
sentences
of
your
own,
sentences of your own,
but
but give

give the
the word
word in
in
bold
an
opposite
bold an opposite
meaning.
meaning.

1. a popular man
5. favourable weather
2. regular attendance 6. a proper remark
3. an efficient worker
4. an important town

1. …………………………………………………………………………………
2. ………………………………………………………………………………….
3. ………………………………………………………………………………….
4. ………………………………………………………………………………….
5. ………………………………………………………………………………….
6. ………………………………………………………………………………….


The
The opposites
opposites
of
of some

some words
words

DIS

can
can be
be formed
formed
by
by adding
adding aa

UN

prefix.
prefix.

IL

IN

IR
IM
Look
Look at
at these
these
examples:
examples:

unaware,
unaware, inconsiderate,
inconsiderate,
disappear,
disappear, irregular,
irregular,
illegal,
immovable.
illegal, immovable.
Use the right prefix to form the
opposite to complete each sentence
correctly.
1. An ………. event is on which is not
likely to happen.
2. An object which cannot be moved
is ……………….
3. An ………….. person give no thanks
for kindness received.
4. Another word for unlawful is ……. .
5. An …………… person is not
responsible for his actions.
6. An ………….. thing is something you
can do without.
7. The word ………… means unlucky.
8. A ………. person is rude and ill –
mannered.

1. certain
2. sane
3. obedient

4. regard
5. reverent
6. perfect
7. fortunate
8. helpful
9. connect
10. patient
11. proper
12. approve

Use the right prefix to
form the opposite of the
words below.

13. grateful
14. human
15. honest
16. usual
17. efficient
18. continue
19. probable
20. orderly
21. regard
22. regular
23. courteous
24. similar

sane
sane
fortunate

fortunate

usual
usual
movable
movable
courteous
courteous
necessary
necessary
legal
legal
grateful
grateful

Use
Use these
these phrases
phrases in
in
sentences
sentences of
of your
your own,
own,
but
but give
give the
the word
word in

in
bold
bold an
an opposite
opposite
meaning.
meaning.
1. a popular man
5. favourable weather
2. regular attendance 6. a proper remark
3. an efficient worker
4. an important town

1. …………………………………………………………………………………
2. ………………………………………………………………………………….
3. ………………………………………………………………………………….
4. ………………………………………………………………………………….
5. ………………………………………………………………………………….
6. ………………………………………………………………………………….


The
The opposites
opposites
of
of some
some words
words

DIS

can
can be
be formed
formed
by
by adding
adding aa

UN

prefix.
prefix.

IL

IN

IR
IM
Look
Look at
at these
these
examples:
examples:
unaware,
unaware, inconsiderate,
inconsiderate,
disappear,

disappear, irregular,
irregular,
illegal,
illegal, immovable.
immovable.
Use the right prefix to form the
opposite to complete each sentence
correctly.
1. An ………. event is on which is not
likely to happen. unusual
2. An object which cannot be moved
is ………………. immovable
3. An ………….. person give no thanks
for kindness received. ungrateful
4. Another word for unlawful is ……. .
illegal
5. An …………… person is not
responsible for his actions. insane
6. An ………….. thing is something you
can do without. unnecessary
7. The word ………… means unlucky.
unfortunate
8. A ………. person is rude and ill –
mannered. discourteous

sane
sane
fortunate
fortunate

usual
usual
movable
movable
courteous
courteous
necessary
necessary
legal
legal
grateful
grateful

1. uncertain
2. insane
3. disobedient
4. disregard
5. irreverent
6. imperfect
7. unfortunate
8. unhelpful
9. disconnect
10. impatient
11. improper
12. disapprove

Use the right prefix to
form the opposite of the
words below.

13.ungrateful
14. inhuman
15.dis honest
16. unusual
17. inefficient
18. discontinue
19. improbable
20. disorderly
21. disregard
22.ir regular
23. discourteous
24. dissimilar
Use
Use these
these phrases
phrases in
in
sentences
of
your
own,
sentences of your own,
but
but give
give the
the word
word in
in
bold
an

opposite
bold an opposite
meaning.
meaning.

1. a popular man
5. favourable weather
2. regular attendance 6. a proper remark
3. an efficient worker
4. an important town

Possible answer: Our principal is an unpopular man.
1. …………………………………………………………………………………
2. ………………………………………………………………………………….
3. ………………………………………………………………………………….
4. ………………………………………………………………………………….
5. ………………………………………………………………………………….
6. ………………………………………………………………………………….