The is not just a cheat sheet. It is a diagnostic tool. When used correctly, it reveals your weak points in potential verbs, conditionals, and keigo. Buy the official Shokyu II Answer Key, check your work methodically, and never just copy.
We do not promote piracy. However, many students need digital access. Here are legal and practical sources:
If your answer differs from the key, don't just erase it. Use the Translation and Grammatical Notes to figure out why the book's version is correct.
For the listening section (Choukai), the answers are found in the Script and Answer Key book that accompanies the listening CD set. Without this, you cannot verify your listening comprehension for the N4 exam.