These are all correct sentences. I have corrected where appropriate: Did anybody tell you what happened? HAS anybody told you what happened? I have BEGUN to study English. I learn English on the distance course. I learn English via the distance course. Usually I learn in the evening. I revise the previous material and then I go ON TO new material. I revise the previous material and then I go on to new stuff. That is how I would say it, just to avoid repeating 'material.' Can I say "I believe I can do this"? Yes, you can.

1. Did anyone told you what happened? 2.i began to study English. 3.i learn English via the distance course 4.usually I learn in the evening. 5.i revise the previous material and then I take a new material Yes you can say "I believe I can do this".

Another one: Have anybody told you what happened? Did anybody tell you what happened?