Ex. 2. Read the words in the groups below. Pay attention to the word stress

a) words with the stress on the first syllable:

influence, merely, therefore, equal, basically, willingness, preference, weigh, heavily, household, income, maximize, possible, budget, impact, effort, concept, specify, quantity, purchase, demonstrate, upward, revenue, temporary, permanent, obviously, compromise, variable, calculus, relative, offset, volume, vertical, curve, substitute;

b) words with the stress on the second syllable:

society, allow, consume, conventional, determine, afford, demand, behavior, desire, ability, condition, affect, decision, utility, consider, significant, analogous, depending, amount, available, effective, relationship, efficient, forgo, consumption, increase, equipment, facilities, responding, impose, necessity, incentive;

c)polysyllabic words with the main and secondary stress:

economic, competition, microeconomics, combination, independently, represent, fundamental, correlation, allocation, opportunity, unexpected, equilibrium, individual, fluctuation, inelastic.

B. Word formation

Ex. 3. Make up adjectives as in the model.

Model: noun+suffix –(c) ial or –(t)ial → adjective

e.g. society – social

Adverb, commerce, essence, face, race, finance, potency, credence, prudence, president, torrent.