Is the following sentence grammatical by using when synthesizing? That is, can we use of -ing after when?

Although it is possible to include material A when synthesizing component B, it might make component B unnecessarily harder.

  • Yes, it's quite common. When running through the neighborhood, watch out for dogs. Although it is possible to include quotes when writing a short story, it might make the story less original. – user6951 Dec 20 '14 at 7:43

There is nothing wrong with this sentence; it's grammatically correct. You can use "when + -ing form of a verb as long as this clause matches the subject of the main clause.

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