問題文全文(内容文)：
Believed to have been formed millions of years ago from evaporated water, this salt deposit is considered one of the most ancient in the world.

These trace minerals are often perceived as making this salt a healthier alternative to regular table salt, which is refined through a series of processes.

(東海大学医学部)

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問題文全文(内容文)：
『～する限り』という日本語だけ覚えていると区別がつかないよ！区別のつけ方を丁寧に解説しました。

問題文全文(内容文)：
N.T. SERIES Third Edition Stage3 Lesson2-3のkey point 解説動画です。

＜内容＞
助動詞の後ろに　have＋過去分詞Vpp　を置く用法について詳しく解説しています。
推量と非難・後悔とパターン分けをして整理しています。

＜例文＞
①I can't find Cathy. She may have taken the wrong route.
②She might have chosen another route to avoid the traffic jam.
③David didn't show up on time. He must have overslept.
④He cannot have forgotten the meeting time.
⑤You should have checked the correct spelling of his name.
⑥It's five o'clock. Mike should have arrived at the station by now.
⑦You look pale. You shouldn't have stayed up late last night.

問題文全文(内容文)：
N.T. ENGLISH SERIES Third Edition Stage3 Lesson11-1で扱われている仮定法過去完了について解説しています。

問題文全文(内容文)：
Tell me what you learned from this book.
I have no idea (as to) why the ancient city disappeared completely.
Why the city disappeared is a mystery, so experts are continuing their research.
The question is who ruled this city two thousand years ago.
What do you think the experts will do with the dinosaur fossils?
I think they will preserve them in a museum.
Who do you suppose is appropriate for the leader of our project?
I suppose Michael is.