ক. Do you know how often the buses ran?
খ. Do you know how often the buses run? ✔
গ. Do you know how often do the buses run?
ঘ. Do you know how often did the buses run?
ব্যাখ্যা: Main clause-টি 'Do you know' (Present indefinite) হওয়ায় Embedded question-এ 'how often' এর পর Subject (the buses) + Present verb (run) বসে Assertive structure গঠন করে।
বিজ্ঞাপন
সম্পর্কিত প্রশ্ন
- ___ Mount Everest is the highest peak in the Himalayas.
- I quite agree with you. The underlined word is / I usually study in the library. What parts of speech is the underlined word?
- Three-fourth of the earth’s surface _______ by water.
- I was annoyed _______ him for his dishonesty.
- Pohela Boishakh, there is a festive mood all —— the country. [DU (B) 15-16] / —— Bangladesh, the general movement of air is from South to north.
- He arrived —— Dhaka yesterday.
