Which of the following is an Interrogative sentence?

• Interrogative Sentence
- যে Sentence দ্বারা একটি প্রশ্ন বুঝায় তাকে Interrogative Sentence বলে।
- An Interrogative Sentence is a sentence which asks a question.

• Structure: Wh-word + Auxiliary Verb + Subject + Main Verb + ext. + question mark (?).

- Modal verb গুলো auxiliary verb হিসেবে থাকলে Interrogative Sentence এ modal verb কে Subject এর আগে বসাতে হয়।
- Present Indefinite tense এর Interrogative Sentence এ Subject এর আগে do/ does বসাতে হয়।
- Past Indefinite tense এর Interrogative Sentence এ Subject এর আগে did বসাতে হয়।
- অন্যান্য Tense এর Interrogative Sentence গঠন করতে হলে ঐ tense অনুসারে auxiliary verb গঠন করতে হয় এবং তাকে subject এর আগে বসাতে হয়।

• Correct Sentence: Have you completed your assignment?

• Other options,
- I have finished my homework. - Assertive Sentence.
- Please have a seat. - Imperative Sentence.
- He has a new bicycle. - Assertive Sentence.

Source: A Passage To The English Language, S. M. Zakir Hussain.