"two years ago" "`agone' is an archaic word for `ago'"
"long ago" "sixty years ago my grandfather came to the U.S."
He's drunk,..an hour agone.
Ay, a goodish bit ago.
A slight landslide occurred../ about an hour ago.
牛津高阶第八版
美国韦氏词典
Dictionary.com
Free Dictionary
维基百科 (自由的百科全书)