Where is it being held?是什么时态

Where is it being held?是什么时态 was held 是什么时态 It is being repaired by a friend of my father's 这句是什么时态 It is still a question where the coming show will be held?wh was being tested是什么时态? was being robbed是什么时态? It is being repaired. It is now being sent to his home by train的时态问题 it is being shown now. 这句这么理解?从时态语态来分析 The meeting being held now is very important. The meeting being held now is of great importance It is now being sent to his home by train.关于这句中it is部分的时态的疑问