英语中“八年前”用eight year ago 还是ago eight year?

问题描述:

英语中“八年前”用eight year ago 还是ago eight year?

都不对,正确的是
eight years ago

He went to Beijing eight years ago.
他八年前去北京.
还有8年后怎么说?
eight years after?不是。是
eightyearslater