II. All prefixes together optional

anti- = against

bi- = two

co- = with, together

ex- = former, previous

inter- = between

mis- = wrongly, badly,

not

mono- = one

multi- = many

eg antibacterial

eg bilingual

eg co-pilot

eg ex-wife

eg intercontinental

eg misunderstand

eg monosyllable

eg multicultural

eg sub-committee, substandard

sub- =under, less , below eg demotivate

de- = opposite, remote

Exercise 36

Add a prefix ex-, multi-, semi-, sub- , de

Final_________________

Partner__________________

Standard__________________

National__________________

Section ____________________

Ethnic______________________

Zero_______________________

Wife _____________________

Caffeinated __________________

Regulate______________________

Code _________________________

Exercise 37

Add the correct prefixes to the words in bold.

1 When I was five years old, my parents bought me my first..............cycle.

2. Graham is an.......-soldier He left the army six months ago.

3. The bedroom walls are white, but the curtains are .......................coloured.

4. He's going to a(n)...............national conference about the environment.

5. At the meeting, no one interrupted the Prime Minister's...............logue about education.

6. Natasha is very....................social. She doesn't like meeting new people.

7 Children who.............behave will be sent to the headmaster

8. Sheila Watson is the..........-author of this book.

out- = more, better

over- = done) to a great extent

post- = after

pre- = before

pro- = in favour of

eg outweigh

eg overcharge

eg postgraduate

eg preheat

eg pro-democracy

Exercise 38

Add the correct prefixes to the words in bold.

1 Mark..........ran the other athletes and managed to win the race.

2 More and more people nowadays are buying...........packed food.

3 Everyone at the conference in London was............technology

4 The.........-war years were very difficult for many people.

5 Margaret had............cooked the meal and the guests couldn't eat it.

re- = again

semi- = half

super-= big/more

trans- = travel from one side , group to another

under- = not enough

eg rebuild

eg semi-detached

eg subtitle

eg superstar

eg transatlantic

eg underestimate

Exercise 39

Add the correct prefixes to the words in bold.

1 This airline provides........................continental flights at reasonable prices.

2 Toby decided to.........................write his essay before he handed it in.

3 They arranged the chairs in a........-circle for the meeting.

4 The north of the country was hit by...........-zero temperatures this week.

5 That dog is very thin - it looks...................fed.

6 The man seemed to have.......................human strength.

Exercise 40

Add the correct prefixes to the words in bold.

1. Kate is now doing a ... posf... graduate degree.

2. Mr Bell is an..........-teacher. He retired ten years ago.

3. This is an...........national company. It has offices all over the world.

4. Sharon is...........weight for her age and height. She eats very little.

5. John is very...........-social. He is often rude to people.

6. The............-finals of the championship are next week.-

7. You can...........book a vegetarian meal on this flight.

8. The men tried to............code the secret message.

9. The restaurant...........charged us by £20 for our meal, but we refused to pay until they had

checked the bill.

10. When you've finished reading, please...........place the books on the shelves.

11. She's............lingual because her mother is English and her father is French.

12. Trained men............activated the bomb before it went off.

13. It's............possible to repair this radio. You'll have to buy a new one.

14. She's very............reliable forgetting to do things.

15. We've just bought a lovely............-detached house in Thornville.

16 ...........city trains travel at very high speeds.

17. The police are going to............open the unsolved robbery case.

18. Have you tried these..........-fat biscuits? They're delicious.

Exercise 41

Add the correct prefixes to form derivatives.

1 Carl is very ...anti.-..social and doesn't like to be with other people.

2 The fact that Tony and Sue caught the same plane was a...........incidence.

3 Simon is..........lingual - he is fluent in both French and English.

4 The thieves managed to...........activate the alarm before entering the building.

5 This exam gives you an.......nationally recognised degree.

6 I forgot to set my alarm and I...........slept.

7 After the earthquake, the town was slowly...........built.

8 Tara was so nasty to Bob - her behaviour was.......forgivable.

9 Brian had to..........write several chapters of his book before it could be published.

10 Daniel is very.......reliable - he never turns up for anything.

11 The advantages of living in the country..............weigh the disadvantages.

12 You have............understood me. I never meant to offend you.

13 After getting his degree, Jason decided to take a......graduate course.

14 Mrs Daniels is divorced. Her.........-husband lives in Portugal now.

15 Have you tried this new...............bacterial washing powder? It kills all germs.

16 Canada is a............lingual country. Both English and French are spoken there.

17 Wendy is a bit...........weight. She should go on a diet.