Ns 9.6.1.1 Read the theory. Then, cross out 6. the word that doesn't make a compound noun. & Abstract nouns are nouns we can't sense. freedom, pleasure NOT: dog Compound nouns are nouns formed by two or more words. The two words can be joined together (railway), or hyphenated (check-in). Each word has its own meaning, but when they are joined together they create a new word. The combinations can be: noun + noun keyboard, circuit board, light bulb adjective + noun flatscreen TV, hard drive, long-term memory verb (-ing) + noun waiting room, operating system, ice skating rink noun + verb (-ing) air conditioning, moon landing verb + preposition shutoff (switch), breakthrough verb + adverb read-only preposition + noun update, downstairs noun + preposition start-up, setup, runner up noun + prepositional phrase one of those days, editor-in-chief 1 sun a screen b light C sea 2 book a shop b shelf c library 3 air a pilot b conditioning C port 4 head a ache b master с сар