Unit 4 时间介词 in / on / at 全面精讲2026-2027学年译林版七年级英语上册

Unit 4 时间介词 in / on / at 全面精讲 一、三张介词用法总览 1. in(用于较长宽泛时间) 适用场景 例句 泛指上午、下午、晚上 in the morning / in the afternoon / in the evening 月份 in May、in December 四季 in spring、in summer、in autumn、in winter 年份 in 2026、in 2008 2. on(精准锁定某一天) 适用场景 例句 星期几 on Monday、on Sunday 具体几月几日 on 1 September、on June 1st 带限定词的某天早中晚 on a cold morning、on Sunday afternoon 单日型节日 on Children’s Day、on New Year’s Day 3. at(时间点、年龄、长时段节日) 适用场景 例句 具体时刻 at 4:15、at seven o’clock 年龄 at 12 (years old) 持续多天的大型节日 at Christmas、at the Spring Festival 二、核心区分口诀 at 点,on 天,in 年月季早晚间 1. 一刹那的具体钟点 at 2. 牢牢锁定单独某一天 on 3. 月份、年份、季节、笼统早晚 in 三、高频易混辨析 1. `in the morning`(泛指早上)VS `on Sunday morning`(限定某一天的早上) 有具体日期、星期、天气修饰早晚时,必须改用 on 2. 节日区分: - 只放一天的节日:on Children’s Day - 持续好几天的节日:at the Spring Festival、at Christmas 四、配套基础练习题 填入合适介词 in / on / at 1. We have English _ Monday morning. 2. My birthday is _ July. 3. I get up _ 6:30 every day. 4. Trees turn green _ spring. 5. Children have fun _ Children’s Day. 6. We have a big dinner _ the Spring Festival. 7. He was born _ 2015. 8. It is cold _ a winter morning. 单项选择 1. We go hiking _ Sunday. A. in B. on C. at 2. My father reads newspapers _ the evening. A. in B. on C. at 3. They watch TV _ 8 o’clock. A. in B. on C. at 改错 1. We play football in Saturday afternoon. 2. People eat mooncakes at Mid-Autumn Day. 汉译英 1. 我在春天放风筝。 _ 2. 她在9月1日去上学。 _ 3. 我们除夕夜吃年夜饭。 _ 参考答案 一、填空 1. on 2. in 3. at 4. in 5. on 6. at 7. in 8. on 二、单选 1.B 2.A 3.C 三、改错 1. in on 2. at on 四、翻译 1. I fly kites in spring. 2. She goes to school on 1 September. 3. We have a big dinner at the Spring Festival. ️考试高频易错点 1. 只要 `morning/afternoon/evening` 前面带有星期、日期、形容词修饰,介词一律换 on; 2. 时刻数字前面永远用 at;年份、月份、季节永远固定用 in; 3. 中式思维容易混淆春节、圣诞节这类长时段节日,牢记用 at。 学科网(北京)股份有限公司 $