Danny Meyer

Hospitality is present when something happens for you. It is absent when something happens to you. Those two simple prepositions - for and to - express it all.

American Businessman

Winston Churchill

Ending a sentence with a preposition is something up with which I will not put.

British Statesman

Prepositions provide specific location details within a sentence, like 'above', 'below', 'between'.

Location Clues

Some prepositions indicate when something happens, such as 'before', 'after', 'during'.

Time Indicators

Prepositions can show the direction of movement, like 'toward', 'into', 'out of'.

Movement Direction

 And then we had to teach her less-fun words, prepositions -- words like "of" and "on" and "in." And we worked on this for a few weeks. And then I recall sitting at a dining room table with many relatives, and, apropos of absolutely nothing,

"Good" and "bad" are...

 Imagine the subject as the actor in a sentence and the object as the word that is acted upon. "I invited her but she invited me." The object can also be the object of a preposition.