Question

change into passive voice......... who broke the crystal glass

Answer 1

How to convert has he broken glasses in passive voice

Answer 2

When we change into passive voice sentence will become "by whom crystal glass was broken?’’

Given sentence is in interrogative form so the sentence in passive voice should also be in interrogative form. In the given sentence subject is ‘’who’’ object is ‘’crystal glass’’ and verb is ‘’broke’’. In passive voice sentence should be start with ‘’by whom’’ and object ‘’crystal glass’’ will become subject and verb should be written in past participle form.