問題文全文(内容文)：
N.T. ENGLISH SERIES Third Edition Stage1 Lesson10-4のkey pointを解説したものになります。

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)：
動詞の前に「do」が入るときの意味を解説します。

状況によって使い分けが出来るようになりましょう！

問題文全文(内容文)：
（）内を埋めてください

If () I could speak English as fluently as you!
①not
②so
③be
④only

問題文全文(内容文)：
NT Third Edition Stage3 Lesson3-1 のKeyPoint例文解説です。
今回は『不定詞』について解説しています。

【使用例文】
① You were foolish to play football on such a hot day.
② It was careless of them to forget their water bottles.
③ It is kind of you to help me with my report.
④ Meg has decided not to stay up late.
⑤ She studied hard in order not to fail the math test.
⑥ Take care not to catch a cold before the test.