目击者正在被警方询问时，嫌疑人的律师到了。
The witnesses were being questioned by the police when the suspect's lawyer arrived.
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were英 /wɜː/|美 /wər/
being英 /ˈbiːɪŋ/|美 /ˈbiɪŋ/
questioned英 /ˈkwes.tʃənd/|美 /ˈkwɛs.tʃənd/
解释
were being questioned 为过去进行时被动语态，由 were + being + 过去分词 questioned 构成，表示在过去某一时间点，主语正在被警方询问。by the police 指明了动作的执行者。
The witnesses were being questioned by the police when the suspect's lawyer arrived.
were being questioned 为过去进行时被动语态，由 were + being + 过去分词 questioned 构成，表示在过去某一时间点，主语正在被警方询问。by the police 指明了动作的执行者。