Statement 5+ aux. verb + v4 + O Aux. verb + S + 5+ aux. verb + b3 + O Aux. verb + S + 5+ aux. verb + v1 + O Aux. verb + S + is/am/are/was/were (as a main verb] Is/Am/Are/W Exercise 5.7 Transform these sentences into interrogative: The train is whistling. I've been to Solu. She has stolen her purse. You will have to buy us some more. Bhumika will buy a skirt. His children are doing their homework honestly.