This item demonstrates that the pattern can be conjugated into the past tense ( ～ておきました ). It implies that the preparation was completed in the past. In the context of the dialogue, it suggests the speaker has the map ready now because they acquired it previously .
このかばんは丈夫 そうです 。(This bag looks sturdy.)
section of Minna no Nihongo Lesson 43 focuses on two primary grammar patterns: ～そうです (sou desu) to describe appearances or likelihood, and the verb [te-form] + きます
"道が混んでいますから、20分ぐらいかかりそうです"
Example: Isogashii desu ka. -> Iie, amari isogashikunasou desu. (Are you busy? -> No, I don't look very busy.)