The document contains information about prepositions of time and place in Mongolian. It provides examples of how prepositions such as "at", "on", "in", "from", "to", "for", "with", "of", "about", "by", and "near" are used with time expressions like "noon", "night", "weekend", and dates. It also gives examples of prepositions of place like "in", "on", "inside", "outside", "under", "behind", "in front of", "between", and "next to" being used with locations. There are also short conversations using prepositions of time and place.