As for / regarding (co do)

Setting the Topic: Co do

To shift the focus of a conversation or set boundaries around a topic, use the compound preposition co do ("as for" or "regarding").

as for / regarding
co do

This preposition is always followed by a noun in the Genitive case. It is typically placed at the beginning of a sentence to establish context.

As for the volcano, we do not expect an eruption.
Co do wulkanu, nie spodziewamy się erupcji.
As for the activity, we monitor the tremors continuously.
Co do aktywności, ciągle monitorujemy wstrząsy.

Multiple and Plural Topics

When framing a sentence around multiple subjects or a plural noun, every noun governed by co do must take the Genitive case. For example, czujniki (sensors) becomes czujników in the plural Genitive.

As for the lava and ash, one should run away.
Co do lawy i popiołu, należy uciekać.
As for the sensors on the volcanoes, they are broken.
Co do czujników na wulkanach, są zepsute.

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