Learning sentences that employ natural patterns and are contemporary is enabled by learning vocabulary. It is so much easier for me now to learn sentences since I have learned vocabulary on memrise.com So, I can now use resources such as Tuttle character books or Assimil ease sentence books. In order to make this site more valuable, it is essential to begin building collections of high quality sentences. I have been wondering about how we can do that without having copyright problems. Obviously collaboration by native speakers is a great way to build quality sentences that represent authentic contemporary language. That is one of the reasons that I created the post about adding audio for your native language. I, also want to offer that to people that I have conversation exchanges with, though many of the english vocabulary sets do not have audio and are targeted to advanced or native speakers.