There are many students in the class. (Make it negative)

• Transformation এর নিয়মানুযায়ী,
- Many যুক্ত affirmative sentence কে negative করতে হলে,
- Many এর পরিবর্তে not a few ব্যবহৃত হয়। 
যেমন _ 
- There are many flowers in the garden.
- There are not a few flowers in the garden

সুতরাং, There are not a few students in the class. হচ্ছে সঠিক উত্তর।