3. which of the words are adjectives? adverbs? why?

easily, equal, noisy, numerous, faulty, anticlockwise, eastwards, well carelessly, powerful, traceable, good, simply, comfortable, useful, поп* ward, dangerous, businesslike, naturally, inferior, bad



4.distribute the words into four columns.

model: what? what kind of? what to do? how?

use useful to use usefully

insulator, failure, fail, addition, additional, overestimate, equal, equalize, equality, equally, different, differ, difference, resist, resistance, resistivity, resistant, commonly, consumer, faulty, impossibility, carelessly, number, numerous, possible, clockwise

5. a) how many parts does each word consist of? what are the stems?

model: un-doubt-ed-ly

failure, indifferent, uncommonly, unequality, numerously, uselessly, noiseless, advantageous

6. form nouns by adding the suffixes -er, -or:

to work, to invent, to compose, to calculate, to operate, to act, to react, to emit, to transmit, to use, to combine

7. form adverbs from adjectives by adding the suffix -ly:

easy, reasonable, usual, special, physical, functional, real, regular, magneti-cal, different, logical, mathematical, subsequent, consequent

8.a) choose the proper suffixes and add them to the stems.

stems: equal-, fail-, add-, differ-, success-, common-, resist-suffixes: -ure, -ly, -ence, -шоп, -ful, -less, -ance, -ness

9- form adjectives. choose the proper suffixes and add them to the stems.

stems: differ, advantage, metal, structure, resist, use, reason, control^ase suffixes: -ous, -ic, -less, -ful, -able, -ent, -ant