問題文全文(内容文)：
N.T. SERIES Third Edition Stage3 Lesson2-1の解説動画です。
助動詞は暗記がメインであることを踏まえ、暗記が少しでもラクになるための勉強法や法則、分類の仕方を指導しています。

今回はメインの助動詞のうち、推量の意味を中心に指導してmustの周辺や、not の位置などテストに出題されたら間違えやすいものを強調して例文の解説を行っています。

If it's stormy, the train may stop running.
The typhoon might be stronger than I expected.
Your parents have been waiting for your call. They must be anxious.
The ship should leave around lunch time.
You ought to check the exact time of departure.
※She had better wear her sunglasses because the sun is strong today.
※Traffic may be heavy on Friday evening, so they had better not take the bus.

問題文全文(内容文)：
（　）内を埋めてください

He(　) be a good student, for he never studies.
① must not
② has to
③ cannot
④ does not have to

問題文全文(内容文)：
not so much A as B『AというよりむしろB』
『比較』は、「文法というよりむしろ読解」で大変役に立ちます。
筆者の主張はBに置かれる！

問題文全文(内容文)：
単語と文法で高校入試を突破する！
「中学生の勉強法（英語）」についてお話しています。

問題文全文(内容文)：
【問】
A: I hope my job interview goes well tomorrow. I'm a liile nervous.
B: Be sure to ( 　　) them about your experience as a hospital volunteer.
A: That's a good idea. I will.
㋐explain ㋑say ㋒teach ㋓tell

【問】
A: Do you know whether Steve is somewhere around the office? I need his signature.
B: I know he's ( ) to the bank. So, he must be around here somewhere.
A: Okay. I'll keep looking.
㋐been ㋑gone ㋒returned ㋓went

【問】
A: Can you clean up the kitchen for me? I have to leave for a meeting at the children's school
B: Sure. I'll do it right after I take out the trash.
A: Thanks. Just be sure to ( ) the glasses before putting them in the dishwasher. Okay?
㋐drip ㋑empty ㋒pour ㋓spill

【問】
A: Hi, can I help you?
B: Yes, please. I'd like to return this book, but I'm afraid it is already ( ) the due date.
A: Okay. Well, you'll have to pay a late fee. Let me see when it was due.
㋐pass ㋑passed ㋒past ㋓pasted