用have，has，had造句

2017-06-10 15:42:42 来源: 子路教育网

He had been busy with cooking before the guests arrived. 客人们到之前，他在忙着做饭。
I have been ill for a week. 我病了一周了。
The book has been translated into several languages. 这本书已被译成了几门语言。