1. have you ever tried bungee jumping?
2. what did you decide about the next weekend
3. I have never appeared on television. (dubla negatie nu este potrivita)
4. why has he stopped writing to me? (subiectul se pune dupa verb)
5. he has to create a fantastic new computer game (corect este sa punem verbul la present, in loc de trecut)
succes!