Interrogative Sentences -- Structures -- (1) Wh-Question Word + Be/Do/Have/Modal; (2) Wh-Question Word + Word/Words + Be/Do/Have/Modal; (3) Wh-Question Word + Main Verb (Present or Past); (4) Interrogatives Sentences - Be/Do/Have/Modal; (5) Question Tags; (6) What if; (7) How Long/How Much/How Many; (8) Wh-Question Word + To + Verb Word; (9) "What About" and "How About"; (10) Alternative Questions; (11) Indirect Questions --- Formation of Interrogatives from Affirmatives -- Exercises --- Interrogative sentences are used to ask questions. An interrogative sentence ends with a question mark. Most common interrogative words are as follows: What, When, Where, Which, Who, Whom, Whose, Why, How --- Interrogative words and what they refer to: What - refers to 'specific information' or confirmation/repetition; When - refers to 'at what time' or 'on what occasion'; Where - refers to 'in what place, position or situation'; Which - refers 'choice or alternative'; Who - refers 'identity' of a subject (person/people); Whom - refers to 'identity' of an object (person/people); Whose - refers to 'who something belongs to'; Why - refers to 'reason, explanation or purpose'; How - refers to 'way or manner', 'condition or quality' --- These words are called 'Wh-question words' because all these words contain letter 'w' and 'h'. All these words (except 'how') even start from 'Wh'. --- The following words are also used to ask questions: These forms show 'surprise, confusion, or emphasis. --- Besides 'Wh-question words', Auxiliary Verbs 'Be', 'Do', 'Have', and 'Modal Verbs' are also used to form interrogative sentences. Following is the list of auxiliary and modal verbs: Auxiliary Verb-- Be-- Am, Is, Are, Was, Were; Auxiliary Verb-- Do-- Do, Does, Did; Auxiliary Verb-- Have-- Have, Has, Had; Modal Verbs-- May, Might, Can, Could, Will, Would, Shall, Should, Must, Need, Used (To), Ought (To), Dare. You can begin sentences with these verbs to form Yes/No interrogative sentences. --- -- is a good pet to give a five-year-old child? a long way away? a reasonable grocery budget? age got to do with it? What is all that? Australia's national food? behind the nation's food shortages? better for your company: happy staff or short-term profits? Brazil to you? What is going on in India? going to take place over the next 90 minutes? in the haze we are breathing? it about the first day of the year that gets us so excited? it and does it work? it like to be sectioned? it like to fly an Airbus A380? it like to have won an unlimited supply of something? it like to live in a hut? What is it that makes Compaq so trusted? What is it to be politico-ethical? Japan ready to do? leading to rising incidents of building collapses in the region? most important in your life? most likely to please you? okay to eat and how much is too much? President up to after breaking away from the alliance? the rate of exchange against the pound? right for our students?