Complex sentence: The 2010s, pronounced "twenty-tens" or "two thousand (and) tens", is the current decade that began on January 1,2010 and will end on December 31,2019.
Split into simpler sentences: The 2010s, pronounced "twenty-tens" or "two thousand (and) tens", is the current decade. It began on January 1,2010, and will end on December 31,2019.