The man is so weak that he cannot walk. (Simple)
The man is too weak to walk.
Correct
The man is so weak to walk.
The man is too weak for him to walk.
The man is so weak for him to walk
Explanation:
Correct Answer is: The man is too weak to walk.
Complex sentence এ যদি so + adjective + that + subject + cannot/could not + verb থাকে,
সেক্ষেত্রে simple sentence এ too + adjective + to + verb এর base form বসে।
এক্ষেত্রে sentence এর structure টি affirmative হলেও, বাক্যের অর্থ নেতিবাচক হয়।