The Various Kinds Of Prepositions I. Thời gian: 1. ON - days of the week Ex: on Monday, on tuesday,etc. 2. IN: - months / seasons - time of day - year - after a certain period of time. Ex: in August / in winter in the morning in 2006 in an hour 3. AT - for night - for weekend - a certain point of time (when?) Ex: at night at the weekend at half past nine 4. Since - from a certain point of time (past till now) Ex: since 1980 5. For - over a certain period of time (past till now) Ex: for 2 years 6. Ago - a certain time in the past Ex: 2 years ago 7. Before - earlier than a certain point of time Ex: before 2004 8. To - Telling the time Ex: ten to six (5:50) 9. Past - Telling the time Ex: ten past six (6:10) 10. to / till / until - marking the beginning and end of a period of time Ex: from Monday to/till Friday + till / until - in the sense of how long something is going to last Ex: He is on holiday until Friday. 11. By - in the sense of at the latest - up to a certain time Ex: I will be back by 6 o’clock. By 11 o'clock, I had read five pages . The Various Kinds Of Prepositions I. Thời gian: 1. ON - days of the week Ex: on Monday, on tuesday,etc. 2. IN: - months / seasons - time of day - year - after. end of a period of time Ex: from Monday to/till Friday + till / until - in the sense of how long something is going to last Ex: He is on holiday until Friday. 11. By - in the sense of. certain point of time Ex: before 2004 8. To - Telling the time Ex: ten to six (5:50) 9. Past - Telling the time Ex: ten past six (6:10) 10. to / till / until - marking the beginning