This document is a Japanese grammar lesson on counting people and using time expressions like "now" and "before". It introduces the words for counting people from 1 to 10 people. It explains how to ask "how many people" using nan nin and respond by replacing nan nin with the correct counter. It also discusses using ima for "now" and mae with the past tense to talk about things that happened "before". It reviews the possessive particle no and the and-particle to.