he has been there for six months中的been怎么理解?has不是助动词吗?为什么助动词后面还有个be动词呢?这种现在完成时态好多都用有been,我就是不理解这里面什么还要用个 be动词,

he has been there _twice____.画线提问 He has never been there.英译汉 He has been there for six months.为什么不是has been in there? he has been there [twice]就划线部分提问【 】he been there 为什么是How long has he been there 而不是How long has he gone there He has been there twice 划线提问twice He has just been to there 错在哪里? He has often been there.不用完成时怎么说 Since when has he been there?怎么翻译 He has been to Shenzhen several times .Now he has _______ (去）there again . He has often been there.换成He often to there.怎么样 He knows a lot about Egypt.I heard he( )there before. A.has been B.has gone C.had been. he has been there teice （twice划线）对划线部分提问___ ___ ___has he been there? He has never been to new york .i have never been there,either.同义句 He has been there many times in the past .为什么句中有been. He has been there for six months .为什么句中有been,有什么作用? now he has ()there for two weeks.填been还是gone?为什么是been ---Where is your uncle?---He to Hong Kong.He there for many times.A.has gone;has beenB.has been;has been C.has gone;has gone D.has been;has gone