给定一个英文文本，生成一个包含文本中所有单词出现次数的字典。需要去除文本中的标点符号和停用词（如“The”、“is”、“a”等）。


英文文本：It was a beautiful day in the city. The sun was shining and the birds were singing.
{"beautiful": 1, "day": 1, "city": 1, "sun": 1, "shining": 1, "birds": 1, "singing": 1}