R ULES
1.
Certain prepositions must be used to make the relationships between words in a
sentence clear.
2. They must be followed by nouns.
[possible video: https://www.youtube.com/watch?v=D3wQ5dgFPms ]
INTERJECTION
A word or a phrase that express emotions. They are usually followed by an exclamation point.
[possible video: https://www.youtube.com/watch?v=pOwCYxNAOdU ]