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

You can solve this problem.

This problem can be solved by you.

The correct passive form of the given sentence is This problem can be solved by you.

The active voice of the sentence is You can solve this problem. This sentence is in the simple present tense, which is used to describe an action that happens regularly or always happens. 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 "you" and the main verb is "solve." The past participle of "solve" is "solved." So, the passive form of the sentence is This problem can be solved by you.

The other options are incorrect because:

• This problem should be solved by you. is in the modal mood, which is used to express obligation, necessity, or possibility. The passive voice of the sentence should be in the indicative mood, which is used to describe facts or events.
• This problem might be solved by you. is also in the modal mood.
• This problem ought to be solved by you. is also in the modal mood.