表示期間的時間副詞有四種形式，分別是期間、某時、從…到…、直到，以介係詞加上時間所形成副詞片語進行修飾。
- for ＋ 一段時間 （期間）
- She lived in Japan for a year.
她在日本生活了一年。
- She lived in Japan for a year.
- since ＋ 某個時間點（自從）
- I have been ill since Monday.我從週一就開始生病了。
- I have been ill since Monday.
- form＋時間＋to＋時間 （從某時到某時）從甲時間到乙時間之間的時期
- He was living in Taipei From 2004 to 2015.他從2004到2015年都住在台北。
- He was living in Taipei From 2004 to 2015.
- until ＋ 時間（直到某時）
- The matter will keep until tomorrow.這問題等到明天再說。
- The matter will keep until tomorrow.
