Student or Learner
In my opinion it was an organizersí fault that the concert did not bring a lot of money for charity.
Don't you find this sentence natural?
Please, correct all my mistakes. I should know English perfectly and if you show me my mistakes I will achieve my dream a little bit faster. A lot of thanks.
Not a teacher nor a native speaker.
I'm not a teacher. I speak American English. I've tutored writing at the University of Southern Maine and have done a good deal of copy editing and writing, occasionally for publication.
Either "the organizer's" (one) or "the organizer'" (more than one) but not "an organizers'"
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.