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 Speak with different prepositions, and you will get a different meaning every time. You can see the examples below:
1. Speak for
Speak for (Person)
Example: You go there, I have already spoken for you to the seceratary.
2. Speak about
Speak about (thing)
Example: He is speaking about the ‘unemployment’ problem.
![Preposition Words with Obliged to and at](https://englishperiod.com/wp-content/uploads/2022/04/WhatsApp-Image-2022-04-25-at-3.13.42-PM-2-1024x1024.jpeg)
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