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 Judge with different prepositions, and you will get a different meaning every time. You can see the examples below:
1. Judge of
Judge of (giving opinion)
Example: Without going in details,how can you judge of this.
2. Judge by
Judge by (observing)
Example: Judging by her qualification,I think she is not fit for this job.
