1The book is on the table, and 'on' is a preposition that shows location.
2In the sentence 'I'm going to the store,' 'to' is a preposition indicating direction.
3Prepositions like 'at,' 'on,' and 'in' are used to show time, such as 'at 5 o'clock' or 'on Friday.'.
4The teacher asked the students to identify the prepositions in the given paragraph.
5Words like 'up,' 'down,' and 'across' can be prepositions of movement or direction.