問題文全文(内容文)：
Change is no less difficult for us than it is for them but it is possible.

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問題文全文(内容文)：
【問】
The Earth has been around for approximately 4.5 billion years.

【問】
The train ( ) when I reached the platform, so I didn't have to wait in the cold.
① had already arrived
② has already arrived
③ previously arrived
④ previously arrives
(センター)

【問】
He asked me what I ( ) studied in the morning.
① did
② had
③ have
④ was
(青学)

【問】
Naomi ( ) reading the Bible before everyone else was only halfway through.
(1) had finished
(2) have finished
(3) has finished
(4) will finish
(青学)

【問】
It's our wedding anniversary next Tuesday, and by then we ( ) married for ten years.
① are
② will have
③ will have been
④ would have
(センター)

【問】
I heard you ( ) haven't finished your report. The teacher is going to be very angry.
① already
② so far
③ still
④ yet
(センター)

問題文全文(内容文)：
NEW TREASURE SERIES Third Edition Stage3 Lesson5-1のkey point 解説動画です。

＜内容＞
・相関接続詞
both A and B, not only A but (also) B, either A or B, neither A nor B
・～も同じ
So am I / So do I / Neither am I /Neither do I などの表現
を丁寧に解説しております。
・また、ここでは紹介されていませんが、either　neither　の別で混同しやすい表現についても補足をしております！

＜例文＞
①James is interested in both agriculture and medical science.
②He studies not only in the classroom, but also in the laboratory.
③At university, he will major in either biology or chemistry.
④He wants neither fame nor money. He just wants to be a researcher.
⑤I'm interested in the results of the experiment.
―　So am I.
⑥I don't know why the experiment failed.
―　Neither do I.
⑦His father worked in the laboratory and so did his mother.
⑧I can't understand his research method.
―　Neither can I.

問題文全文(内容文)：
意外と知らない「canとbe able toの違い」 と「mustとhave toの違い」
野球部のMTGでは自分たちの意思であるmustの精神を語れ。

うさぎ跳びはmustではなく当時は客観的意思として必要だと思われていたhave toの精神だった。
(had toだったが今ではdon't have to)

問題文全文(内容文)：
【高校英語】助動詞+have+過去分詞 の考え方の解説