How to Use Preposition in English Grammar (On, At, In, Of, For)
https://medium.com/@english_grammar/how-to-use-preposition-in-english...9.8.2016 · Here, ‘to’, ‘on’, ‘about’, ‘in’ and ‘at’ are the prepositions. Moreover, prepositions are used in the sentences to indicate a location, direction, time or sometimes, to ...