What is a preposition? A preposition is a small word. We usually put prepositions before a noun or pronoun. Prepositions show the relationship between a noun or pronoun with other words in a sentence. In this lesson, you will learn how to use the prepositions of time in, on and at. A preposition of time indicates WHEN something happens. IN: in + month in + season in + year in + part of day in the morning in the afternoon in the evening ON on + day of the week If the event is a unique (one-time) event, the day of the week is singular: Example: I have a meeting with my manager on Friday. If the event is a regular event, the day of the week is plural: Example: The bank is closed on Mondays. (every Monday) on + date on + special day AT: at + clock time at + festival / special time of year "at the weekend" Example: I'm going to play football at the weekend. "at the beginning of" "at the end of" What is the difference between "at night" and "in the night"? "at night" refers to any night in general. "in the night" refers a short specific moment during the night: IELTS online course with practice tests and ebook: http://bit.ly/2uKIlSE Private English lessons and speaking practice with a native teacher: https://goo.gl/QQNgGe Other English lessons: Prepositions of place IN, ON and AT: https://www.youtube.com/watch?v=_zhw3BUysUA Prepositions of time BY and UNTIL: https://www.youtube.com/watch?v=RCYXOmgWGDM Parts of speech: https://www.youtube.com/watch?v=FDbhU8Dhy_k Listening quiz - Time expressions: https://www.youtube.com/watch?v=RgwdiMZ-fig Playlists: How to improve your English:    • How to improve your English   Grammar:    • learn English grammar   Listening practice:    • English listening practice   Vocabulary:    • learn English vocabulary   Andrew, Crown Academy of English Website: https://www.crownacademyenglish.com/ Twitter: https://twitter.com/Crown_English YouTube: null Photo credits: “Smiling Young Couple In Bar” by photostock “Eiffel Tower Paris At Dusk” by Vichaya Kiatying-Angsulee