English has develbped into the language most widely spoken and used in the world.
首先,第三个单词拼错了,应该是develop,发展的意思.
这里有一个定语从句：most widely spoken and used in the world.是用来修饰language的.
句子意思：英语已经发展为世界上使用（包含说的意思）最广的语言.