問題文全文(内容文)：
N.T. SERIES Third Edition Stage3 Lesson2-2 の解説動画です。
can /couldの推量で使われる意味、またcould / was(were)able to の「できた」の違い
will / would の「習慣・意思・性質」の意味、would / used to の違いについても解説します。

Practicing musical instruments can be hard for everyone.
Mike cannot be good at playing the drums. He only started practicing them last week.
One day he could be famous, but the chances are very small.
He could play the guitar when he was on elementary school student.
He was able to find Mary's house easily.
Children will behave like children.
The window won't open.
My brother would often play the trumpet in this room.
I used to like American pop music, but now I prefer K-pop.
There used to be a furniture shop over there, but now it's closed down.

問題文全文(内容文)：
今回は比較・最上級を用いる疑問文について解説しています。

問題文全文(内容文)：
N.T. SERIES Third Edition Stage3 Lesson5-3のkey point 解説動画です。
今単元は内容が大きく異なる二つの内容がありますので、それらを分けて解説しています。

例文
John spoke loudly so that everyone could hear him.
He studied so hard, so that he passed the exam.
The traffic was so busy that I was late for the appointment.

問題文全文(内容文)：
N.T. ENGLISH SERIES Third Edition Stage3 Lesson10-1のkey pointを解説したものになります。

問題文全文(内容文)：
「Can」が「Could」に変化すると、丁寧な表現になる理由を解説します。

英文法の面から、違いを理解しましょう。