Am Dienstag kaufe ich frisches Gemüse im Supermarkt.

On Tuesday I buy fresh vegetables at the supermarket.

Breakdown of Am Dienstag kaufe ich frisches Gemüse im Supermarkt.

• in: in
• dem: the; (masculine or neuter, dative)
• ich: I
• kaufen: to buy

Questions & Answers about Am Dienstag kaufe ich frisches Gemüse im Supermarkt.

Why do we use am Dienstag instead of just Dienstag?

In German, to express “on Tuesday,” you normally combine the preposition an with the definite article dem, giving an dem. This contracts to am. So:

• am Dienstag = “on Tuesday.”
  You wouldn’t say just Dienstag for a specific day unless it’s part of a larger phrase (e.g. “nächsten Dienstag”).

Why is the verb kaufe in second position, coming before the subject ich?

German is a V2 (verb-second) language: the conjugated verb must occupy the second “slot” in a main clause. If you start with a time expression like am Dienstag, that counts as the first slot. The verb then comes immediately after, causing a subject–verb inversion:

1. Slot 1: Am Dienstag
2. Slot 2: kaufe
3. Slot 3: ich
   Rest of the sentence follows.

Could I also say Ich kaufe am Dienstag frisches Gemüse im Supermarkt?

Yes. If you begin with the subject ich, the verb still stays in second place:

1. Slot 1: Ich
2. Slot 2: kaufe
3. Slot 3: am Dienstag
   …so both word orders are correct—the difference is only emphasis (time first vs. subject first).

Why is there no article before frisches Gemüse? Shouldn’t there be an indefinite article like ein?