III．但若是用在否定句中，非延续动词的现在完成时可以与表示一段时间的状语连用。
● She has gone away for a month.（误
● She has been away for a month （正）
● The man has died for two years.（误）
● The man has been dead for two years.（正）
● How long have youbought the book?（误）
● How long have you got the book.（正）
4．注意 since的用法：
►. They haven't had any troublesince they came here.
►. It has been ten years since we met last time.
►. He has been heresince 1980.
►. He has been heresince ten years ago.
5．几组对比：
He has gone to
He has been to
She has gone. 她已走了。 joozone.com