请问 I have been underemployed 怎么翻译

请问 I have been underemployed 怎么翻译 i have been waiting for you请问have been 怎么不have be或者直接 i have waiting for you I have been asked to clean the bedroom请问have been asked 请问“I shouldn't have been here.”怎么翻译? I have been selling I have been trying I have ever been I too have been I have been to. I have been I have been in. I might have I might have been hallucinating.请问诸位,这是什么结构的句子啊 i have been afraid of being alone 请问being i have been afraid of alone不行吗 I have been like this since last month 句意? 且请问been充当什么成分 请问这句是英文什么时态i have been beijing .been 是什么意思,它的原形是什么呢. Litter-baskets have been placed under the trees汉语意思 I have everything under control是什么意思 请问下过去完成时的用法have you been there?yes ,i have just been there.i had never been there before.请问i have just been there.为什么这句不能用过去完成时而后句又为什么要用过去完成时?