1) when there’s only one of something, either in existence or in particular context a) the b) a/an c) - 2) when something is mentioned again a) the b) a/an c) - 3) when both the listener and the speaker know what is being referred to a) the b) a/an c) - 4) when talking about a specific aspect or part of something where the noun if followed by of a) the b) a/an c) - 5) to speak generally about certain groups of singular countable nouns (inventions, animal species) a) a/an b) - c) the 6) with adjectives referring to general classes of people a) - b) the c) a/an 7) with superlatives a) the b) a/an c) - 8) with musical instruments a) a/an b) the c) - 9) with types of transport which have a fixed timetable a) the b) - c) a/an 10) with some countries a) - b) the c) a/an 11) with oceans, mountain ranges, deserts, rivers, groups of islands etc. a) the b) - c) a/an 12) with some geographical areas a) the b) a/an c) - 13) when a singular countable noun is mentioned for the first time a) a/an b) the c) - 14) when referring to any one of several things a) a/an b) - c) the 15) when talking about a person’s job a) - b) a/an c) the 16) with some numbers to mean one a) the b) - c) a/an 17) when it means per in some expressions (e.g. frequency) a) a/an b) - c) the 18) when referring to nouns in general sense (plural countable nouns, abstract nouns, uncountable nouns) a) the b) a/an c) - 19) with most streets, towns, cities, countries a) - b) the c) a/an 20) when a town’s name is used with a building a) the b) - c) a/an 21) in many common expressions (e. g. meals) a) - b) the c) a/an

Unit 3 Articles p.37

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