Grammar Challenge - Question Tags | Текст песни

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http://www.bbc.co.uk/worldservice/learningenglish/radio/specials/173_grammarchallenge/

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Catherine's Grammar Explanation: Question Tags (Form):

Catherine:
Hi Juliana! Mark and Elena asked a short question at the end of most of their
sentences. These questions are called question tags. We use them either to ask for
information, or to check information we already have, or just to keep the
conversation going.
Question tags have two parts: a helping verb, or auxiliary verb – like do, have, or
can, and a pronoun. Let’s look at the helping verb first. Usually, for a negative
sentence, you need to use a positive helping verb in the question tag. Listen to
Elena:
Elena: We haven't got any carrots, have we?
The sentence 'we haven't got any carrots' is negative, so the question tag is
positive: 'have we'. Listen again:
Elena: We haven't got any carrots, have we?
Now, when the sentence is positive, the question tag is negative. Here's Mark:
Mark: The shops are open late tonight, aren't they?
The sentence: 'The shops are open late tonight' is positive, so the helping verb -
'aren't' in the question is negative. Listen again:
Mark: The shops are open late tonight, aren't they?
Now sometimes there isn't a helping verb in positive sentences.
When there isn't a helping verb, we use the correct form of the verb do to make the
question tag:
Mark: Elena, you like carrots, don't you?
And as for the second part of the question tag – the pronoun – you use the pronoun
that corresponds to the subject of the sentence. For example, you like carrots, don't
you, or the shops are open late tonight, aren't they?
OK that's all from me, good luck with your grammar challenge!
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