- at / in / on ・・・ 時刻・時間・年月日・曜日・季節・年齢
- for / during / in / since / from … to / through ・・・ 期間（～の間）
- by / until / till / in / within / up to ・・・ 期限・範囲（～まで）
- before / after ・・・ 前後
- past / beyond ・・・ 超過
［before］
- he bought that house before 1995.
- He came to America before the Civil War.
- If I get home before 7:00 we can go to a movie.
- I always have breakfast before going to work.
［after］
- I'll see you after class.
- Friday comes after Thursday.
- After lunch, she felt sleepy.
- I always take sweets after coming back to home.
※日記 に補足があります。
→ 文法 #35 前置詞の一覧
→ 文法 #30 時を表す前置詞（at / in / on）
→ 文法 #66 時を表す前置詞（for / during / in / since / from … to / through）
→ 文法 #67 時を表す前置詞（by / until / till / in / within / up to）
→ 文法 #69 時を表す前置詞（past / beyond）
