Where can i find a printable material for learning English?

i want to make my English fluent hence need some material on net which i could use to solve on daily basis.also where could i find basic & advanced information in english grammar like definitions, types ,examples of prepositions,figure of speech, active pive voice and so on.also i will be greatful if somebody could provide me with the sites which gives you regular mistakes that we do while talking and how to write a letter or an essay. Thanks.