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 Introduce with different prepositions, and you will get a different meaning every time. You can see the examples below:
1. Introduce To
Introduce to (person)
Example: Let me first introduce my friend to you.
2. Introduce into
Introduce into (make modifications)
Example: The UPSC has introduced many changes into the syllabus of the IAS examination.
![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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