modren english began around the 16th Century and,like all languages, is still changing. One change occurred when the th of some verb forms became is loveth, love, has. Auxiliary verbs also changed he is risen, he has risen.
modren english is often dated from. the Great Vowel Shift, which took place mainly during the 15th century. English was further transformed by the spread of a standardised London-based dialect in government and administration and by the standardising effect of printing. By the time of William Shakespeare mid-late- 16th century the language had become clearly recognizable as Modern english.