Change into negative form : He is too weak to walk.
A He is very weak to walk.
B He is so weak that he cannot walk.
C He is not very much weak.
D He is highly weak.
Solution
Correct Answer: Option B
Too ...to যুক্ত affirmative sentence কে negative এ রূপান্তরের নিয়ম: sub + verb + too এর স্থলে so + adjective + to এর স্থলে that + sub + cannot + বাকি অংশ। অর্থাৎ সঠিক negative form: He is so weak that he cannot walk.