The old man sat on the bench and watched the world go by.
Meaning: The sentence means that the old man was sitting on a bench and observing the activities and movements of people and things around him.
Choice of Words: Sat is a simple past tense verb that means to rest in a seated position. Watched is another past tense verb that means to look at something with attention. World is a noun that refers to the planet Earth and all the people and things on it. Go is a verb that means to move from one place to another.
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Related Expressions