問題文全文(内容文)：
「制限用法」と「非制限用法」の違いを解説します。

それぞれの訳し方や、文法的なルールを説明します。

問題文全文(内容文)：
森田先生が英文法を解説します。

以下の問題に挑戦しましょう！
After long hours of work, he (　) exhausted last night.
① could be
② might be
③ must have been
④ would be　

問題文全文(内容文)：
たった17個で覚える「動詞の不規則活用」の説明です。

問題文全文(内容文)：
【問】
Saki, why don't you take some time off?
You ( ) too much lately.
① would work
② had worked
③ should have worked
④ have been working
(センター改)

【問】
Ever since they first met at the sports festival, Pat and Pam (　 ) each other.
① are emailing
② emailed
③ have been emailing
④ will email
(センター)

【問】
Nicole ( ) novels for about seven years when she won the national novel contest.
① had been writing
② has been writing
③ has written
④ is writing
(センター)

【問】
We ( ) playing baseball for about half an hour when it started to rain very heavily.
① had been
② have been
③ might be
④ would be
(センター)

【問】
I wonder if Stella has lost my number. ( ) her call for the last two hours.
① I'd expected
② I'll have expected
③ I'm expecting
④ I've been expecting
(センター)

問題文全文(内容文)：
notやnoやneverなど「強い否定語」の使い方や違いを動物たちが分かりやすく教えてくれます！