I. DEFINITION - describes a relationship between other words in a sentence. Prepositions are nearly always combined with other words in structures called prepositional phrases. II. Prepositions of Time: at, on, and in We use at to designate specific times. The train is due at 12:15 p.m. We use on to designate days and dates. My brother is coming on Monday. We're having a party on the Fourth of July. We use in for nonspecific times during a day, a month, a season, or a year. She likes to jog in the morning. It's too cold in winter to run outside. He started the job in 1971. He's going to quit in August. III. Prepositions of Place: at, on, and in We use at for specific addresses. Grammar English lives at 55 Boretz Road in Durham. We use on to designate names of streets, avenues, etc. Her house is on Boretz Road. And we use in for the names of land-areas (towns, counties, states, countries, and continents). She lives in Durham. Durham is in Windham County. Windham County is in Connecticut. |