she has never been to china这句话要不要加has?这句话是一般过去时,还是过去完成时?如果是过

she has never been to china这句话要不要加has?这句话是一般过去时,还是过去完成时?如果是过 my brother has never been abroad before 这句话 是这个has been to去某 “She has never been so sexy”这句话是什么意思? 这句话中has been away是谓语,还是has?还是been?还是has been?还是away? He has never been abroad before.这句话的主谓宾结构是怎么分的. She has gone to school.是现在完成时还是过去完成时?如何把它改为现在完成时和过去完成时? He has never been the same since.这句话是什么意思. 反义疑问句 He has been to china,hasn't he?这句话对吗 Have you been?A place I've never been这句话中been后要不要加东西? She has never bought some food .这句话什么时态? 's缩写是is吧.She's been invited,这句话什么时态?这句话我怎么感觉应该是 she has been she has been to Beijing for two months这句话有错吗?