We use in for non-specific times: IN parts of the day (not night) months seasons years decades centuries Ex.: Ex.: Ex.: Ex.: Ex.: Ex.: in in in in in in the morning February (the) summer 1993 the 1920’s the 20th century We use on to designate: ON Ex.: on Saturday(s) Ex.: on the 20th of February Ex.: on New Year’s day on my birthday days of the week dates specific days We use at to designate specific times: AT clock time night holiday periods With some expressions: We use no preposition before: this… (this afternoon, this month, …) next… (next Saturday, next week) Ex.: at o’ clock, at 7.45 p.m Ex.: at night Ex.: at Christmas at the weekend at that time / at present / at the moment /at the end last… (last weekend, last month) every… (every day, every month) I sleep every day Fill in the gaps with the correct preposition Sometimes there is no preposition My father always reads the newspaper the 13 I often go out night morning 14 Would you like to go to the cinema next He comes back home _ the afternoon th Saturday night? The twins were born _ 11 July 15 Wait for me I’ll be back _ half an hour I was born _ December 16 Will you phone me this evening? The train leaves seven o’clock _ 17 I phone my grandmother _ Saturday Sundays 18 Lunch is usually _ o’clock I’ll be ready about ten minutes 19 We have English classes _ Mondays Goodbye! See you Monday morning 20 There is a party _ next weekend We often go away the weekend 21 His father leaves _ a.m I always start work nine o’clock 22 She was at hospital _ that time 10 We sometimes go abroad summer 23 The game is _ 9.45 11 Do you gymnastics _ Mondays? 34 I missed classes _ last Friday 12 I left school _ 1999