There are over one hundred prepositions in English, here is a list of common prepositions:
above, about, across, against, along, among, around, at, before, behind, below, beneath, beside, between, beyond, by, down, during, except, for, from, in, inside, into, like, near, of, off, on, since, to, toward, through, under, until, up, upon, with and within.
Even advanced learners of English find prepositions difficult, there are hardly any rules as to when to use which preposition. The only way to learn prepositions is by looking them up in a dictionary, reading a lot in English and learning useful phrases off by heart.
Prepositions of time and place, in, on, at.
In usually indicates the largest time or place.
On is the second largest.
At is the smallest time or place.
Fill in the gaps:
Today is a windy day here _ Sydney. I am _ the bus traveling to my office, it is so windy today, I should have stayed _ home.
My office is _ Sydney, Australia. It is _ George Street _ 79 George Street, next to the train station. My office has a party this year, _ December _ Monday, the 4th, it starts _ 5.00PM.