Prepositions – Time
| English | Usage | Example |
| · on | § days of the week | § on Monday |
| · in | § months / seasons § time of day § year § after a certain period of time (when?) | § in August / in winter § in the morning § in 2006 § in an hour |
| · at | § for night § for weekend § a certain point of time (when?) | § at night § at the weekend § at half past nine |
| · since | § from a certain point of time (past till now) | § since 1980 |
| · for | § over a certain period of time (past till now) | § for 2 years |
| · ago | § a certain time in the past | § 2 years ago |
| · before | § earlier than a certain point of time | § before 2004 |
| · to | § telling the time | § ten to six (5:50) |
| · past | § telling the time | § ten past six (6:10) |
| · to / till / until | § marking the beginning and end of a period of time | § from Monday to/till Friday |
| · till / until | § in the sense of how long something is going to last | § He is on holiday until Friday. |
| · by | § in the sense of at the latest § up to a certain time | § I will be back by 6 o’clock. § By 11 o'clock, I had read five pages. |