Learn Hardcore German: Ich verwende die große Tasche, um Bücher zu transportieren.

In German, after a verb like verwenden, the direct object typically takes the accusative case. Since Tasche is the direct object of verwenden, you use the accusative article die, and the adjective große also agrees in the accusative feminine singular form.

How does the um ... zu construction work in this sentence?

Um ... zu is used to express purpose or intent (comparable to saying “in order to” in English). The structure is um + infinitive marker zu + verb. In this sentence, um Bücher zu transportieren means "in order to transport books," clarifying why you are using the bag.

Is there a difference between verwenden and benutzen?

They both can mean “to use,” but in many contexts, verwenden can sound slightly more formal or technical. Benutzen is often more colloquial and directly means “to use” in everyday situations. However, in modern usage, they’re largely interchangeable.

Why is große spelled with an -e at the end?

Because große is modifying a feminine noun (Tasche) in the accusative case, it follows the standard ending for a strong adjective after the definite article die. Hence, groß gets the -e ending.

Can I change the word order to Um Bücher zu transportieren, verwende ich die große Tasche?

Yes, you can. German word order is flexible, especially with clauses introduced by um ... zu. Placing the purpose clause at the beginning is correct and might add emphasis to the reason for using the bag.