https://abcnick.com/2012/12/04/present-simple-%CE%B3%CE%B9%CE%B1-%CE%BC%CE%B9%CE%BA%CF%81%CE%AC-%CF%80%CE%B1%CE%B9%CE%B4%CE%B9%CE%AC-%CE%BA%CE%B1%CE%B9-%CE%B1%CF%81%CF%87%CE%AC%CF%81%CE%B9%CE%BF%CF%85%CF%82/
