It is easy and very common to misuse prepositions, such as to, of , from and at after a word. Click on the following links for some advice and practice:
Secrets to Using Prepositions in English
Prepositions of Time and Place
At: the preposition of Time and Place
This “Cheat Sheet of Proper Prepositions (prepositional phrases)” will help you use the correct preposition for a word. (Mind you! as this is a very complete list, do just use the phrases you think are going to be useful to you according to your level, right?)
Quizzes:
Prepositions of Place – in / at / on
Prepositions of Movement – in / to / at / nothing
Prepositions – for / while / during
Prepositions of time and date – in / on / at
Prepositional Phrases