問題文全文(内容文)：
【問】
"What's that song you're listening to?"
"You don't know? It's 'Yesterday' by the Beatles.
You ( ) it before!"

① hadn't heard
② might hear
③ must've heard
④ shouldn't hear
(センター)

【問】
Our teacher is requiring us to write another report, and now I have two to finish by Friday.
I ( ) have finished the first assignment last week.

① may
② must
③ should
④ would
(センター)

【問】
"Can't you get the video to work? I bet you didn't read the instructions."
"You're wrong. I ( ) read them! I just don't understand what the problem is."

① did
② didn't
③ had
④ hadn't
(センター)

【問】
I remember that whenever my parents went out in the evening, I ( ) the job of looking after my younger sister.

① must have got
② ought to get
③ have got
④ would get
(センター)

問題文全文(内容文)：
前回の続きで時制についての問題解説を行っています。
問題番号としては15～28となります。

前回はこちら
https://youtu.be/TtnfZRzFl-0

問題文全文(内容文)：
go~ing（現在分詞)で「～しに行く」の意味であり、go swimming「泳ぎに行く」と言うが、では、go playing soccer「サッカーをしに行く」とは言えるのかどうか問題を検証！go～ingで言えること、言えないこととは？

問題文全文(内容文)：
The professor's book will be published next year.
The file should be downloaded before the lecture starts.
Her new book is being advertised in the newspapers now.
Many comments about the book have been posted on the website.

問題文全文(内容文)：
慶應大学商学部の英文法について解説しています。
※問題文は動画内参照