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yes/no ąuestions	Unit 25 Questions 1 ExpIanations These are ąuestions with the answer yes or no. Present simple Doyon live in Prague? Present continuous Are you sitting comfortably ? Present perfect Haveyou ever eaten octopus? Past simple DidyouphoneSue? Past continuous Were you having abath? Past perfect Hadyou already left? can/could. Canyou swim? Couldyou see? must Mustyou go? Do you have to go?
Wh- ąuestions	These are ąuestions with what, why, when, who, whose, which and how. Present simple When do you usually leave? Present continuous What are you doing? Present perfect Why have you stopped? Past simple How didyoufeel? Past continuous Where were you living? Past perfect Who hadtoldyou? can/could What can I do? Where could he go?. must What must I do ? What do I have to do ?
Subject or object ąuestions	Questions about the subject do not use do/does/did. Cats (s) eatfish (o). What do cats eat? Cats eatfish. (object ąuestion) Who eatsfish? Cats eatsfish. (subject ąuestion)
Positive and negative ąuestions	A positive ąuestion could have a yes or no answer. Do you like dogs? Yes, I do./No, I don’t. A negative ąuestion supposes that the answer will be no. A yes answer means that the ąuestioner has supposed wrongly. Donlyou like dogs? No,Idon’t. Don’t you like dogs? Yes,ofcourseldo. What madę you think that?
Short answers	Auxiliary verbs, and modal auxiliaries, are used for short answers. Do you speak French? Yes, Ido. Have you seen thisfilm ? No, I haven ’t. Didyou stay long? No, Ididn’t. Willyou be late? No, I woni. Have-you got a pen? Yes, I have. Can you drive? No, I can ’t.

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