Prepositions

Instead of asking in the help center, go to the related videos and ask under them!
https://www.khanacademy.org/humanities/grammar/parts-of-speech-the-preposition-and-the-conjunction/types-of-prepositions-and-phrases/v/terminal-prepositions-prepositions-the-parts-of-speech-grammar

Sorry! I didn't know this was for general technical help questions! Thank you for your help.