Select the option that expresses the given sentence in passive voice.

Ask him to leave the room.

He should be asked to leave the room.

The correct passive voice form of the sentence "Ask him to leave the room" is He should be asked to leave the room.

The active voice of the sentence is "Ask him to leave the room." This sentence is in the imperative mood, which is used to give a command or make a request. The passive voice of the sentence is formed by putting the subject of the active sentence after the verb "to be" and the past participle of the main verb. In this case, the subject of the active sentence is "him" and the main verb is "ask." The past participle of "ask" is "asked." So, the passive form of the sentence is "He should be asked to leave the room."

The other options are incorrect because:

• He should be ask to leave the room. This sentence is grammatically incorrect. The correct form of the verb "ask" in the passive voice is "asked."
• He should be asking to leave the room." This sentence is in the present progressive tense, which is used to describe an action that is happening now but is not finished. However, the action of asking him to leave the room is not happening now.
• He should have been asked to leave the room." This sentence is in the past perfect tense, which is used to describe an action that happened in the past before another action happened. However, the action of asking him to leave the room is not relevant to the present.