No doubt, the Internet provides wide opportunity to entertain, to communicate and to study. If you are going to prepare yourself for the TOEFl, you might use internet resourses to do your studing more confortable and successful. The test consist of four sections: a reading, a listening, a speaking and a writing, fome free resources and materials for preparation are described below. For the reading section you should practice reading and expand vocabulary. For the listening section you should listen to lections and conversations in English. Do not afraid and start writing essay to prepare for the writing section. You should study to speak English well, so it is good idea to find english-speaking friends and talk with them through the Skype.
First of all, it is necessarily to be familiar with a structure of the test. You can purchase some official sample tests ets.org/toefl. Or there is free samples
http://www.stuff.co.uk/toefl.htm.
Your vocabulary is very important. Use wordstep.com to build your vocabulary.
Read news and articles interesting for you in English.
Voice of America ( http://www.voanews.com/learningenglish) is a very useful resource where you can listen to news and interesting programs, and you can read the same text. Grammar video lessons (engvid.com) would be helpful for you if you feel lack of enough confidence in English grammar, but also it would be useful for the listening section.
Finally, If you will read a lot, attentively listen to English speech, speak with someone in English, write and show you attemps of essay writing you will have not only high score on the TOEFL but also be able to use English in your life.
