সে সাঁতার কাটতে জানে না।
A. He does not know how to swim.
B. He does not know to swim.
C. He donot knows how to swim.
D. He cannot know to swim
সঠিক উত্তরঃ
A.
He does not know how to swim.
Explanation: Sentence টি Present Indefinite Tense হওয়ায় Subject ‘He’ (3rd person singular number) এর সাথে does বসবে।
এবং know how থাকলে verb in infinitive (to + verb) হয়।
যেমন:` Bill knows how to play tennis well.
সুতরাং, সঠিক বাক্যটি হবে ক) - He does not know how to swim.
Source: Cliff’s Toefl
