Dog ran fast after ball.

Meaning: A dog quickly moved its legs to follow a round object used in games.

Choice of Words: Dog: a four-legged animal often kept as a pet, Ran: moved quickly using legs, Fast: moving or acting quickly, After: following in time or place, Ball: a round object used in games.

Alternative Expressions

The dog ran quickly after the ball.

Meaning: This sentence is similar to the first sentence, but it adds more detail by specifying that the dog was running quickly and that the ball was a specific ball.

Choice of Words: The is an article that is used to refer to a specific dog. Quickly is an adverb that modifies the verb "ran" and tells us how fast the dog was moving. The is an article that is used to refer to a specific ball.

The dog was running after the ball.

Meaning: This sentence is similar to the first sentence, but it uses the present participle "running" to indicate that the dog is currently chasing the ball.

Choice of Words: Was is a verb that is used to describe an ongoing action. Running is a present participle that describes the action of moving quickly on foot.

Related Expressions