Note on #4: 歩く (aruku) is a special case. Technically "by walking" doesn't use で. Use – 歩いて来ました.

Additionally, Lesson 7 introduces the use of with locations and the sentence pattern:

("Puncher" in Japanese is "Panchi".)

: He isn't sure how to say "Happy Birthday" in English. He asks his teacher, "Happy Birthday wa eigo de nan desu ka?".

カリナさんに CDを 借りました。(Karina-san ni CD o karimashita.) — I borrowed a CD from Karina.

Practice using the particle to indicate the tool or means used for an action.

In Minna no Nihongo , exercises are divided into sections: