5.1 Form words by means of the prefix un-. Translate into English.

Model: easy - uneasy

conscious, load, ending, fortunately, fix, founded, heard, mistakably, bind, principled, professional, seen, fasten, written, tie, lawfully, familiar, build, fair, pack, businesslike, likely.

5.2 Form words using the prefixes in- (ir-, im-, il-). Translate into English.

Model: polite-impolite

in- coordination, convenient, decency, dependence, direct, effectiveness, experience;

il- legality, limitedness, logicality, loyalty;

im- balance, polite, mobilization, personal, movability, mature, patience;

ir- regularity, religion, relevant, resolution, responsibility.

5.3 Translate into Russian. Pay attention to the prefixes.

inorganic chemistry; impersonal remark; impossible task; improbable story; inexcusable mistake; insecure position; insufficiency of data; insupportable heat; incurable disease.

5.4 Match the words in the left column with their synonyms in the right column.

improbable	uneducated
immortal	excessive
illiterate	firm
immoderate	eternal
impolite	rude
irresolute	ignorant
improbable	unlikely
inexperienced	priceless
invaluable	forced
involuntary	weak

5.5 Translate into Russian.

anticyclone, anti-gas, anti-militarism, antitrust, antidote.

5.6 Form words using the prefix anti-. Translate into English.

Model: oxidant – antioxidant

militarism, magnetic, constitutional, freeze, thesis, septic, racial.

5.7 Form words using the prefix de-. Translate into Russian.

Model: monopolize «монополизировать» – demonopolize «уничтожать монополию»

centralize, populate, nationalize, mobilize, compose, camp, control, form, generate.

5.8 Translate into Russian.

degasify, desterilize, devalue, devoice, denaturalize, desegregate, demount, demoded, denuclearized, dehumanize, deforest, decomposable, delocalize, devitalize, demoralize, declass.

5.9 Form words by means of the prefix dis- and translate them into Russian.

Model: regard – disregard

agreement, approvement, satisfaction, interest, qualification, comfort.

5.10 Translate into Russian.

а) со значением противоположного действия, лишения чего-либо:

disagree, disapprove, dislike, disregard, dissatisfy, discontinue, disinterest, disqualify;

б) со значением разделения, отделения:

disconnect, disintegrate, dismember, disunite.

5.11 Translate into English, using the prefix mis-.

Model: неправильное использование, применение misapplication

неправильно написать адрес, адресовать неверно (address); неправильно использовать (apply); неправильно располагать, размещать (arrange); ошибаться в расчете (calculate); неправильное представление (conception); ошибаться при перепечатке (сору); неправильно датировать (date); плохо управлять (govern); неверно информировать (inform); положить не на место (place); неправильное употребление (usage).

5.12 Translate into Russian.

non-believer, non-essential, non-cooperation, non-member, non-scientific, non-stop, non-union, non-transportable, nonviolence, nonsense, non-secret, nongovernmental, non-admission.

5.13 Form the words by means of the prefix nоn-. Translate into English.

Model: toxic – non- toxic

неспособность (ability), нерадиоактивный (radioactive), несовершеннолетие (age), невмешательство (interference), непроизводящий (productive), неуплата (payment), несущественный (essential).

5.14 Form words using the prefix ultra-. Translate into English.

Model: elliptic – эллептический – ultraelliptic – ультраэллептический

high, linear, metric, sonic, modern, short, stable, spherical.

5.15 Form words using the prefix over-. Translate into English.

Model: estimate – оценивать – overestimate – переоценивать

critical, crowded, dried, particular, powerful.

5.16 Form words by means of the prefix re- and translate them into Russian.

Model: distribution – распределение – redistribution, – перераспределение

to establish, to take, capture, to direct, calculation, call, to charge, generation, construction, to capture, to trace, arrangement, to arrange, to define, examination.

5.17 Match the words in column A with the words in column B.

A B

reformulation reconstruction rearrangement regrouping reexamination reorganization redistribution recalculation

перегруппировка переэкзаменовка реорганизация реконструкция перераспределение пересчет переформулировка перестановка

5.18 Form words using prefix inter-. Translate into English.

Model: axial – осевой – interaxial – междуосный

stellar, active, atomic, cellular, changeable, facial, connection.

5.19 Read and translate the words with the prefix co- .

Model: operate – работать, действовать – cooperate – взаимодействовать

coincidence, coaxial, coordinate, coworker.

5.20 Form words by means of the prefix sub- and translate them into Russian.

Model: class – класс – subclass – подкласс

editor, employment, heading, human, industry, surface, way.

5.21 Form words by means of the prefix ex- and translate them into Russian.

Model: minister – министр – exminister – бывший министр

consul, governor, holder, judge, king, actress, employee.

5.22 Form words by means of the prefix auto- and translate them into Russian.

Model: control – управление – autocontrol – автоматическое управление

acceleration, correction, biography, cross, changer.

5.23 Form words by means of the prefix semi- and translate them into Russian.

Model: annual – годовой – semiannual – полугодовой

circle, sphere, desert, final, group, axle, cylinder, function, trajectory, automatic, analytic, bilinear, circular, cubical, direct, digital.

5.24 Translate into Russian. Pay attention to the prefixes.

autobiography, reconstruction, import, submarine, transport, subordination, unreality, counter-attack, disproportion, superman, transmission, counter-argument, polytechnic, reproduction.

5.25 Match the prefixes in column A with their meaning in column B.

A B

sub-	пере-
anti-	противо-
auto-	под-
bi-	двойной-
ultra-	между-
co-	полу-
ех-	сверх-
semi-	бывший-
re-	само-, авто-

5.26 Transform these adjectives into the root words.

Translate into Russian.

Model: microbiological – микробиологический –– biological биологический

microanalytical, microcellular, microchemical, microcrystalline, microeconomic, microelectronic.

5.27 Form words using the prefix mono-. Translate into English.

Model: ethyl – этиловый – monoethyl – моноэтиловый

atomic, axial, basic, cyclic, directional, energetic, frequent, lingual.

5.28 Form words using the prefix pseudo-. Translate into English.

Model: spherical – сферический – pseudospherical – псевдосферический

arithmetic, dynamic, analytic, differential, elementary, elliptic, functional, geometric.

5.29 Form verbs by means of the prefix en- and translate them into Russian.

Model: large – большой – enlarge – увеличивать

force, sure, able, cash, close, code.

5.30 Add one of the prefixes in the box to each incomplete word so that it makes sense. Use each prefix once only.

in- mis- non- over- semi- sub- un- auto- dis- ex-

1. Dick was very tired and suffering from ... overwork.

2. We couldn't see the magician! He had become ... visible.

3. I could only cross the road by going down a ... way.

4. Nobody believed what Mary wrote in her ... biography.

5. Let me introduce you to Janet, my ... -wife.

6. What he said was not clear. In fact it was rather ... leading.

7. Unfortunately our football team lost in the ... -final.

8. Mr. Smith regrets that he is ... able to accept your invitation.

9. This is a good train, it goes to Manchester ... -stop.

10. Oh bother, my pencil sharpener has ... appeared again.