This is around the time that first year junior high school students should be learning this grammar. It is not a complex grammar point and should be pretty easy to follow.
The lesson is simple but effective in explaining the grammar point. The activity is communicative and also gives the lesson a fun element rather than just the conventional sentence writing practice. The lesson can work well for any sized class and can also be used as warm-up activities if the grammar has already been studied.
Since 2003, PBS has followed children from different countries as part of the documentary series "Time for School." In this fourth installment, hear the story of Ken Higashiguchi from Nara, Japan, where the school hours are long and the expectations are high. Check out this video...