Prefixes are added to the beginning of a base word. They change the meaning of the base word. I. Co (with, together) =>Co-pilot means “Assistant or second pilot” =>Co-worker means fellow worker, colleague =>Co-operate means that work together.Example: She got the goods on her co-worker after reading his e-mail.

Ex-(former, before)

=>Ex-husband means former husband=>Ex-serviceman means that one =>Ex-boyfriend mean that A man who is no longer a woman's boyfriend

Examples: her ex-boyfriend stalked her

Re-(again)

=>Re-paint means paint again, recoat with paint, cover with a new layer of paint

=>Remarry means marry again, wed another time=>Restudy means learn again; study again

Examples: If you fail these exam, you will restudy this course the same.

Inter- ( between)

=>International means between countries, involving or belonging to two or more countries, of relations between two more countries.

=>Inter-city means that between cities. Travelling between cities.

Ex: an international team of doctors urge some patients to hospital every day, in order to cure their TB

Bi -(two)

Bicycle means two-wheeled vehicle operated by pedaling.

Bimonthly means that event which occurs every two months

Ex: The magazine is published bimonthly, with six issues a year.

 

Counter -(in the opposite direction) Counterespionage means that espionage

intended to detect and prevent enemy espionage, secret action taken by a country to prevent another country from discovering its military, industrial or political secrets

Counterattacked means that retaliate, make a counterattack, fight back (=an attack on someone who has attacked you)

Ex: The Republicans have launched a strong counterattack against the Democrats' manifesto.

Pre -(before) Pre-school means that prior to school-age, an educational institution

for children too young for elementary school.

Pre-conscious means that fore conscious, part of the mind which exists on a deeper level than the immediate memory or conscious

(Psychoanalysis)

Pre-war means that prior to a war, existing or occurring before wartime

Example: Prewar in Cambodia is fulfil development

Semi-(half)

• Semicircle means that half of a circle

• Semidetached means that house divided into two in order to inhabit two families

• Example: They live in a semi-detached-house.

Post-(after)Postgraduate means that Of or relating to

studies beyond a bachelor's degree, A student who continues studies after graduation (=postgrad)

Post-war means that Belonging to the period after a war.

Example: Post-war in Cambodia for every infrastructure was almost broken and damaged.

mono -(one)  Mono-syllable means that a word of one syllable,

A word or utterance of one syllable Monorail means that A railway having a single

track. Monologue means that Speech you make to

yourself, A (usually long) dramatic speech by a single actor (=a long speech by one person).

Example: He subjected me to a monologue on his last stay in hospital.

Anti-(against)

Anti-social means that harmful to society

Example: Increasingly, smoking is

regarded as an anti-social habit.

non-(not)Non-stop means that without stops; all the

time, without a rest or break

Example: My teacher has always counselled non-violence.

PrefixesAdd a prefix to the beginning of each word to make a new word. Draw a line form the word to its meaning.

____education

____war ____war ____lingual ____detached

house divided into two in order to inhabit two families

Using or knowing only one language

Belonging to the period after a war joint education, education of both sexes at

the same institution.

occurring before wartime

Prefixes The prefix re means again.

Reread means to read again.

Rewrite means to write again.

What does retry mean?

Anti + aircraft = antiaircraft

Non + smoker = non-smoker

The prefix mono means in one.

Mono-rail means in a railway having a single track .

Pre-school means in a prior to school-age.

What does Counterattacked mean?

The prefix Inter

means between. Co means with,

together. Ex means before,

former. What does Co-

operate mean?

Prefixes

____do ____ bellum ____ member ____ city

____exist

The time live together peacefully

after the war one who is not a

member Travellng between

cities Do again

Match each word with its definition.

reheat • having two sides; reciprocal

• speaking only one language

• to heat a second time, rewarm

• one who has served in the armed forcesBilateral

Ex-serviceman

Monolingual

counter-argument

•an argument against another argument, idea or suggestion