Breakdown of Planen Sie Ihren Besuch?
Sie
you (formal)
planen
to plan
Ihren
your (formal, accusative masculine)
der Besuch
the visit / the visitors
Questions & Answers about Planen Sie Ihren Besuch?
Why is it Ihren with an -en ending instead of just Ihr?
In this sentence, the visit is the direct object (the thing being planned), which means it takes the accusative case. Since Besuch is a masculine noun (der Besuch), the formal possessive word for your adds an -en ending in the accusative case, becoming Ihren.
Why are both Sie and Ihren capitalized here?
Sie is the formal word for you, and it is always capitalized in German to tell it apart from sie, which means she or they. Because Ihren means your in this formal context, it belongs to Sie and must also be capitalized no matter where it appears in the sentence.
Where are the words for are or do in this question?
German does not use helper verbs like do or are to ask questions or show ongoing actions. The single verb planen covers plan, do plan, and are planning. To make it a question, you simply swap the order of the subject and the verb: Sie planen (You are planning) becomes Planen Sie (Are you planning?).
If I were talking to a close friend, how would this sentence change?