There are a number of preposition words that change the meaning of a phrase when used with a particular word. For example, you can use Know with different prepositions, and you will get a different meaning every time. You can see the examples below:
1. Know by
Know by (recongnise)
Example: A man is know by his actions.
2. Know for
Know for (quality)
Example: He is known for his foolish decision.
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