This river is deeper than any other river in the district. (make it positive)

• Than any other/ all other যুক্ত Comparative degree কে Positive degree তে রূপান্তরের নিয়ম:
- Positive degree এ sentence এর শুরুতে No other বসে।
- any other বা all other এর পরের অংশ বসে।
- Verb বসে।
- as + Comparative degree এর positive form বসে + as বসে।
- Comparative degree এর subject বসে।

• Structure: No other + any other/ all other এর পরের অংশ + verb + as +Comparative degree এর positive form + as + প্রদত্ত sentence এর subject.

• Comparative degree: This river is deeper than any other river in the district.
• Positive degree: No other river in the district is as deep as this river.

• Note: মাঝে মধ্যে As এর পরিবর্তে So negative অর্থে এ ব্যবহার করা হয়।)

• Other options,
ক) Very few river in the district is deeper than this river.
- ভুল। কারণ, sentence টিতে deep এর comparative form আছে।
- Very few না হয়ে, No other দিয়ে sentence টি শুরু হবে।

গ) Most other rivers in the district are as deep as this river.
- ভুল। কারণ, Most other না হয়ে, No other দিয়ে sentence টি শুরু হবে।
- rivers in the district are না হয়ে river in the district is হবে।

ঘ) No other river in the district is deep as this river.
- ভুল। কারণ, as deep as হবে।

Source: Advanced Learner's Communicative English Grammar & Composition By Chowdhury & Hossain.