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Study in the app →English · CEFR Band 1 (A1) · Chapter 17
The days of the week 一周的日子
一周的日子：Monday、Tuesday、Wednesday、Thursday、Friday（还有 Saturday 和 Sunday）。英语里它们总是首字母大写。关键是介词：日子用 ON——I have class on Monday，on the weekend。时刻用 AT（at nine，at night），一天的部分和月份用 IN（in the morning，in July）。新词：day、week、Monday、Tuesday、Wednesday、Thursday、Friday、today、tomorrow、weekend。
Dialogue
at Monday or on Monday? — at Monday 还是 on Monday？
- Emma Minsu, when do you have class? 民秀，你什么时候有课？
- Minsu I have class at Monday. 我星期一有课。（口误：日子用 "on"，不用 "at"——应说 "on Monday"）
- Emma With days, use "on": on Monday. 日子用 "on"：on Monday。
- Minsu Oh, I have class on Monday and Wednesday. 哦，我星期一和星期三有课。
Dialogue
The weekend — 周末
- Jack Emma, what day is it today? 艾玛，今天星期几？
- Emma Today is Friday. Tomorrow is the weekend. 今天星期五。明天就是周末。
- Jack Great! Do you have class on Saturday? 太好了！你星期六有课吗？
- Emma No, on Saturday and Sunday I don't have class. 不，星期六和星期日我没有课。
Vocabulary
- day
-
noun 天，日
- week
-
noun 星期，周
- Monday
-
noun 星期一
- Tuesday
-
noun 星期二
- Wednesday
-
noun 星期三
- Thursday
-
noun 星期四
- Friday
-
noun 星期五
- today
-
adverb 今天
- tomorrow
-
adverb 明天
- weekend
-
noun 周末
Grammar
日子与 "on Monday"
Explanation
一周的日子总是首字母大写：Monday、Tuesday、Wednesday、Thursday、Friday、Saturday、Sunday。关键规则是时间介词。日子用 ON：I have class on Monday，I rest on the weekend。时刻和 night 用 AT：at nine，at night。一天的部分和月份用 IN：in the morning，in the afternoon，in July。常见错误是 "at Monday" 或 "in Monday"——日子永远用 ON。问日子：What day is it today? — Today is Wednesday。
Examples
- What day is it today? — Today is Wednesday. 今天星期几？——今天星期三。
- I have class on Monday and Thursday. 我星期一和星期四有课。
- Tomorrow is Friday. The weekend! 明天星期五。周末了！
- I rest on the weekend. 我周末休息。
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