Change into passive: Do not laugh at the poor.
Let not the poor be laughed at
Let the poor be not laughed at
The poor should not be laughed at
Let not the poor should be laughed at
Explanation:
Correct Answer is: Let not the poor be laughed at
Let not the poor be laughed at
Let the poor be not laughed at
The poor should not be laughed at
Let not the poor should be laughed at
Correct Answer is: Let not the poor be laughed at