Sentence examples for they blow from inspiring English sources

The phrase "they blow" is correct and can be used in written English.
It can be used when describing the act of someone blowing something, such as a whistle or a balloon, or when describing the act of someone blowing wind with their mouth. Example: The children squealed with delight as they blew bubbles in the park. In this sentence, "they blew" is used to describe the action of blowing bubbles, showing that the children were the ones responsible for creating the bubbles by blowing on the bubble wand.