6 Is that the teacher's / teachers' cello? B Write about the musical instruments in an orchestra. Read the example. Write about instruments you know about. Compare them using comparative and superlative adjectives (for example, louder, bigger, the lou the biggest). Tell which ones you like and why. Use possessive nouns in your writing For example: The trombone's sound is low. I know a lot about string instruments in an orchestra. The violin has the highest sound of the string instruments. The viola's sound is lower than the violin's sound. The cello is the lowest. My favorite string instrument is the cello because I like the lower sounds.