How can you do this? Make it passive.
How could this be done by you?
How can this has done by you?
How can this be done by you?
Correct
How this can be done by you?
Explanation:
Correct Answer is: How can this be done by you?
We make the passive by putting the verb `to be` into whatever tense we need and then adding the past participle. For regular verbs, we make the past participle by adding `ed` to the infinitive.