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Questions tagged [do-support]

Questions and negations with main verbs other than BE require use of an auxiliary finite verb. If the finite verb is not an auxiliary or BE, it is replaced by the appropriate form of DO + its infinitive; this is called DO-support.

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How does the auxiliary verb work in “What's the main thing a paramedic does have to do?”

What's the main thing a paramedic does have to do? What's the main thing a paramedic has to do? How can we use the auxiliary verbs after such sentences like that?
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2answers
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What is the function of “do” in this sentence?

Rarely, though, do countries introduce a single reform alone. What function does do have in this sentence?
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1answer
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Can you emphasize the present subjunctive with “do”?

The present subjunctive is seen in this example taken from the NYT: The country demanded that Boeing pay a $1 billion penalty for the manufacturing delays in India’s 27-plane order. The verb 'pay'...
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Why would you do that

Sam: Can I get you something? Austin: Do you know what bugs me? Sam: People taking your order? Austin: No. Taking people’s order. Sam: Why would you do that? Austin: Hah. You ...