The "forms" you learn at N4—like the passive, causative, and potential—are the building blocks for natural, fluid Japanese.
In many countries, the physical form is extinct. Instead, you complete a web-based version. While easier, it has its own pitfalls.
The exam is divided into two primary parts, often separated by a short break. While it tests three main areas, they are grouped as follows: Time Allotted Vocabulary & Kanji 25 - 30 minutes Language Knowledge & Reading Grammar & Reading Comprehension 55 - 60 minutes Listening Oral Comprehension 35 minutes
Most physical forms have a white square for a photo.