Using does verb

Question

What is the difference between: "It does finish successfully" versus "It finishes successfully" What is the difference and what's commonly used.

Using does adds emphasis to the fact that it finished successfully, as opposed to it does not finish successfully. It finishes successfully merely explains how it finishes, without any stress. — WS2, Aug 26 '15 at 20:42

score 1 · Accepted Answer · answered Aug 26 '15 at 20:44

The primary difference is emphasis.

Given X, Y and Z, the algorithm finishes successfully.

This is a fine, acceptable and complete sentence.

Given X, Y and Z, the algorithm does finish successfully.

The word does here adds emphasis. This refutes the negative case (where the algorithm does not finish successfully). It would mostly make sense if you also want to talk about the cases in which the algorithm doesn't finish successfully (or doesn't finish). E.g.,

Without rain, strawberries cannot grow. However, in the right conditions, strawberries do grow without much human intervention.

Using does verb

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