Learn Hardcore German: Ich benutze das Buch.

It means I use the book. Ich translates to I, benutze is the first-person singular form of the verb benutzen (to use), and das Buch means the book.

Why is the article das used with Buch in this sentence, and does it change in the accusative case?

Das is the neuter definite article used for Buch. In German, neuter nouns take das in both the nominative and accusative cases, so the article remains the same when Buch is used as the direct object.

Is benutzen a regular verb, and how is it conjugated for the subject Ich?

Yes, benutzen is a regular verb in German. With Ich, it is conjugated as benutze—the typical pattern is to remove the -en ending from the infinitive and add -e for the first-person singular form.

How does the word order in Ich benutze das Buch compare to typical English sentence structure?

The sentence follows the standard German word order for main clauses: Subject (Ich) – Verb (benutze) – Object (das Buch). This mirrors English structure (I use the book), which makes it relatively straightforward for English speakers learning German.