has been successful谁知道这个是什么结构 急

has been successful谁知道这个是什么结构 急 Yse,( )he has been very successful. what done has been done has been done?在说说他的结构是什么时态? Ourcompany has been successful in doing business with many f china has been successful in____investment of about $60 bill 英语翻译Systran has been the most successful operational system 谁知道这个结构简式是什么? have been done 这个是什么时态的结构 急 been open还是has been opened I have been successful是什么时态跟I have successed he has not been out today.这句话是什么时态?怎么看的?结构是什么, 这个句子的语法结构是什么?急