内容正文:
表示时间的介词 in / on / at
(语法讲解+分层精练)
目 录
一、概念 1
二、核心用法对比 1
三、记忆口诀 2
四、详细规则与易错点 2
1. 泛指早中晚 vs 具体某天的早中晚 2
2. at night vs in the night 2
3. at noon / at midnight 2
4. 节假日:at 与 on 的区别 2
5. at the age of + 年龄 2
五、分层练习题(30道) 3
第一层 · 基础巩固(第1-10题)⭐ 容易 3
第二层 · 能力提升(第11-20题)⭐⭐ 中等 4
第三层 · 拓展挑战(第21-30题)⭐⭐⭐ 较难 5
一、概念
在英语中,in、on、at 是最常用的三个表示时间的介词。它们本身没有实际意义,但用来连接“动作或事件发生的时间”。
简单来说,它们就像三个不同大小的“时间盒子”,用来装不同长度的时间:
· at → 装最小的时间点(钟表时刻、正午、半夜等)
· on → 装中等的时间面(某一天、星期几、日期等)
· in → 装最大的时间段(月份、年份、季节、世纪等)
二、核心用法对比
介词
用法
常见搭配
例句
at
用于具体时刻或时间点
at 7:00 / at noon / at night / at midnight / at dawn / at the age of...
I get up at 6:30. 我六点半起床。
on
用于某一天或某天的早/中/晚
on Monday / on May 1st / on Sunday morning / on Teachers' Day
We have a party on Children's Day. 我们在儿童节举办聚会。
in
用于月份、年份、季节、世纪,以及泛指的早/中/晚
in May / in 2023 / in summer / in the morning / in the 21st century
She was born in July. 她在七月出生。
三、记忆口诀
“at 点,on 天,in 月年季;
泛指早中晚用 in,具体某天早中晚用 on;
at noon/night 要牢记!”
四、详细规则与易错点(初一高频考点)
⚠️ 1. 泛指早中晚 vs 具体某天的早中晚
· in the morning / afternoon / evening(泛指早晨/下午/晚上)
I read English in the morning.(每天早上)
· on Monday morning / on a cold afternoon(具体某一天的早/中/晚)
We had a test on Friday morning.(特指上周五早上)
⚠️ 2. at night vs in the night
· at night 是固定搭配,表示“在夜里”。
I go to bed at night.
· in the night 表示“在某个特定的夜间”,较少用,初一重点掌握 at night 即可。
⚠️ 3. at noon / at midnight(固定搭配)
· 不用 in 或 on,直接用 at。
We have lunch at noon. 我们中午吃午饭。
⚠️ 4. 节假日:at 与 on 的区别
· at + 节日:指整个节日期间(强调时间段)
We visit relatives at Christmas.(圣诞节期间)
· on + 节日 Day:指节日当天
We give gifts on Christmas Day.(圣诞节当天)
初一阶段:只要记住“on + 具体节日 Day”即可,如 on Teachers' Day, on Children's Day。
⚠️ 5. at the age of + 年龄(固定搭配)
He started school at the age of six. 他六岁开始上学。
五、分层练习题(30道)
第一层 · 基础巩固(第1-10题)⭐ 容易
1. I often get up ______ 6:30 every morning.
A. in B. on C. at D. for
【答案】C
【解析】具体时刻 6:30 是时间点,用 at。
2. We have an English class ______ Monday.
A. in B. on C. at D. of
【答案】B
【解析】Monday(星期一)是具体某一天,用 on。
3. My birthday is ______ May.
A. in B. on C. at D. for
【答案】A
【解析】May(五月)是月份,用 in。
4. I do my homework ______ the evening.
A. in B. on C. at D. of
【答案】A
【解析】泛指的“在晚上”(非具体某一天的晚上),用 in。
5. Let’s meet ______ 12:00 at the school gate.
A. in B. on C. at D. for
【答案】C
【解析】12:00 是具体时刻,用 at。
6. We go to school ______ weekdays.
A. in B. on C. at D. of
【答案】B
【解析】weekdays(工作日)指具体的每一天,用 on。(固定搭配 on weekdays)
7. She was born ______ 2010.
A. in B. on C. at D. since
【答案】A
【解析】2010 是年份,用 in。
8. We have lunch ______ noon.
A. in B. on C. at D. for
【答案】C
【解析】noon 是固定搭配,用 at noon。
9. I often watch TV ______ night.
A. in B. on C. at D. for
【答案】C
【解析】night 与 at 构成固定搭配 at night。
10. We have a sports meeting ______ Sunday morning.
A. in B. on C. at D. for
【答案】B
【解析】Sunday morning 是“具体某一天的早上”,用 on。
第二层 · 能力提升(第11-20题)⭐⭐ 中等
11. I usually take a walk ______ the afternoon.
A. in B. on C. at D. for
【答案】A
【解析】泛指的“在下午”,用 in the afternoon。
12. Let’s go to the zoo ______ October 1st.
A. in B. on C. at D. of
【答案】B
【解析】October 1st(10月1日)是具体的某一天,用 on。
13. People often give gifts ______ Christmas Day.
A. in B. on C. at D. for
【答案】B
【解析】Christmas Day(圣诞节当天)是具体的一天,用 on。
14. He learned to swim ______ the age of seven.
A. in B. on C. at D. for
【答案】C
【解析】at the age of 是固定搭配,表示“在……岁时”。
15. We will have a party ______ Saturday evening.
A. in B. on C. at D. for
【答案】B
【解析】Saturday evening 是“具体某一天的晚上”,用 on。
16. My mother goes shopping ______ Sunday afternoons.
A. in B. on C. at D. for
【答案】B
【解析】Sunday afternoons 指“每个周日下午”(具体某天的下午),用 on。
17. The story happened ______ a cold winter morning.
A. in B. on C. at D. of
【答案】B
【解析】a cold winter morning 是“具体的某一个冬天的早晨”,用 on。(常考易错点)
18. We usually have three meals ______ the day.
A. in B. on C. at D. during(但根据选项,选 in)
【答案】A
【解析】in the day 表示“在白天”(泛指)。选项无 during,选 in。
19. I often get up late ______ weekends.
A. in B. on C. at D. for
【答案】C(英式)或 B(美式)。但人教版初一常考 at weekends 为固定搭配。
(注:on weekends 美式,at weekends 英式。人教版通常以 on weekends 为准,但课本常见 at weekends。)
【确认答案】C
【解析】在初一教材中,at weekends 是常见固定搭配。若老师强调美式,on weekends 也正确,但考试标准答案多数为 at weekends。
20. We will have a final exam ______ July.
A. in B. on C. at D. for
【答案】A
【解析】July(七月)是月份,用 in。
第三层 · 拓展挑战(第21-30题)⭐⭐⭐ 较难
21. He was born ______ the morning of June 5th.
A. in B. on C. at D. for
【答案】B
【解析】“June 5th的早上”是具体某一天的早上,用 on。注意与“in the morning”区分。
22. They often have a picnic ______ spring.
A. in B. on C. at D. of
【答案】A
【解析】spring(春天)是季节,用 in。
23. She always gets up early ______ the morning, but she got up late ______ the morning of March 8th.
A. in; in B. on; on C. in; on D. on; in
【答案】C
【解析】第一空泛指的早上用 in;第二空“3月8日的早上”是具体某一天的早上,用 on。
24. —When do you usually have breakfast? —______ 7:30.
A. In B. On C. At D. For
【答案】C
【解析】7:30 是具体时刻,用 at。
25. My uncle will come to see me ______ the summer holiday.
A. in B. on C. at D. for
【答案】A
【解析】summer holiday(暑假)是一个较长的时间段,用 in。
26. I like to go to bed early ______ night, but I stayed up late ______ the night of October 1st.
A. in; in B. on; on C. at; on D. at; in
【答案】C
【解析】第一空 at night 固定搭配;第二空“10月1日的晚上”是具体某一天的晚上,用 on。
27. We don’t go to school ______ Sundays.
A. in B. on C. at D. since
【答案】B
【解析】Sundays(每个周日)是具体的一天,用 on。
28. I started learning English ______ the age of 10.
A. in B. on C. at D. with
【答案】C
【解析】at the age of 固定搭配。
29. She usually goes to the cinema ______ Friday evenings.
A. in B. on C. at D. for
【答案】B
【解析】Friday evenings 是具体某一天的晚上,用 on。(注意:evenings 有修饰词 Friday,必须用 on)
30. We all like to go swimming ______ summer, especially ______ a hot afternoon.
A. in; in B. on; on C. in; on D. on; in
【答案】C
【解析】第一空 summer(夏季)是季节,用 in;第二空“一个炎热的下午”是具体的某一天下午,用 on。
1
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表示时间的介词 in / on / at
(语法讲解+分层精练)
目 录
一、概念 1
二、核心用法对比 1
三、记忆口诀 2
四、详细规则与易错点 2
1. 泛指早中晚 vs 具体某天的早中晚 2
2. at night vs in the night 2
3. at noon / at midnight 2
4. 节假日:at 与 on 的区别 2
5. at the age of + 年龄 3
五、分层练习题(30道) 3
第一层 · 基础巩固(第1-10题)⭐ 容易 3
第二层 · 能力提升(第11-20题)⭐⭐ 中等 3
第三层 · 拓展挑战(第21-30题)⭐⭐⭐ 较难 4
一、概念
在英语中,in、on、at 是最常用的三个表示时间的介词。它们本身没有实际意义,但用来连接“动作或事件发生的时间”。
简单来说,它们就像三个不同大小的“时间盒子”,用来装不同长度的时间:
· at → 装最小的时间点(钟表时刻、正午、半夜等)
· on → 装中等的时间面(某一天、星期几、日期等)
· in → 装最大的时间段(月份、年份、季节、世纪等)
二、核心用法对比
介词
用法
常见搭配
例句
at
用于具体时刻或时间点
at 7:00 / at noon / at night / at midnight / at dawn / at the age of...
I get up at 6:30. 我六点半起床。
on
用于某一天或某天的早/中/晚
on Monday / on May 1st / on Sunday morning / on Teachers' Day
We have a party on Children's Day. 我们在儿童节举办聚会。
in
用于月份、年份、季节、世纪,以及泛指的早/中/晚
in May / in 2023 / in summer / in the morning / in the 21st century
She was born in July. 她在七月出生。
三、记忆口诀
“at 点,on 天,in 月年季;
泛指早中晚用 in,具体某天早中晚用 on;
at noon/night 要牢记!”
四、详细规则与易错点(初一高频考点)
⚠️ 1. 泛指早中晚 vs 具体某天的早中晚
· in the morning / afternoon / evening(泛指早晨/下午/晚上)
I read English in the morning.(每天早上)
· on Monday morning / on a cold afternoon(具体某一天的早/中/晚)
We had a test on Friday morning.(特指上周五早上)
⚠️ 2. at night vs in the night
· at night 是固定搭配,表示“在夜里”。
I go to bed at night.
· in the night 表示“在某个特定的夜间”,较少用,初一重点掌握 at night 即可。
⚠️ 3. at noon / at midnight(固定搭配)
· 不用 in 或 on,直接用 at。
We have lunch at noon. 我们中午吃午饭。
⚠️ 4. 节假日:at 与 on 的区别
· at + 节日:指整个节日期间(强调时间段)
We visit relatives at Christmas.(圣诞节期间)
· on + 节日 Day:指节日当天
We give gifts on Christmas Day.(圣诞节当天)
初一阶段:只要记住“on + 具体节日 Day”即可,如 on Teachers' Day, on Children's Day。
⚠️ 5. at the age of + 年龄(固定搭配)
He started school at the age of six. 他六岁开始上学。
五、分层练习题(30道)
第一层 · 基础巩固(第1-10题)⭐ 容易
1. I often get up ______ 6:30 every morning.
A. in B. on C. at D. for
2. We have an English class ______ Monday.
A. in B. on C. at D. of
3. My birthday is ______ May.
A. in B. on C. at D. for
4. I do my homework ______ the evening.
A. in B. on C. at D. of
5. Let’s meet ______ 12:00 at the school gate.
A. in B. on C. at D. for
6. We go to school ______ weekdays.
A. in B. on C. at D. of
7. She was born ______ 2010.
A. in B. on C. at D. since
8. We have lunch ______ noon.
A. in B. on C. at D. for
9. I often watch TV ______ night.
A. in B. on C. at D. for
10. We have a sports meeting ______ Sunday morning.
A. in B. on C. at D. for
第二层 · 能力提升(第11-20题)⭐⭐ 中等
11. I usually take a walk ______ the afternoon.
A. in B. on C. at D. for
12. Let’s go to the zoo ______ October 1st.
A. in B. on C. at D. of
13. People often give gifts ______ Christmas Day.
A. in B. on C. at D. for
14. He learned to swim ______ the age of seven.
A. in B. on C. at D. for
15. We will have a party ______ Saturday evening.
A. in B. on C. at D. for
16. My mother goes shopping ______ Sunday afternoons.
A. in B. on C. at D. for
17. The story happened ______ a cold winter morning.
A. in B. on C. at D. of
18. We usually have three meals ______ the day.
A. in B. on C. at D. during(但根据选项,选 in)
19. I often get up late ______ weekends.
A. in B. on C. at D. for
20. We will have a final exam ______ July.
A. in B. on C. at D. for
第三层 · 拓展挑战(第21-30题)⭐⭐⭐ 较难
21. He was born ______ the morning of June 5th.
A. in B. on C. at D. for
22. They often have a picnic ______ spring.
A. in B. on C. at D. of
23. She always gets up early ______ the morning, but she got up late ______ the morning of March 8th.
A. in; in B. on; on C. in; on D. on; in
24. —When do you usually have breakfast? —______ 7:30.
A. In B. On C. At D. For
25. My uncle will come to see me ______ the summer holiday.
A. in B. on C. at D. for
26. I like to go to bed early ______ night, but I stayed up late ______ the night of October 1st.
A. in; in B. on; on C. at; on D. at; in
27. We don’t go to school ______ Sundays.
A. in B. on C. at D. since
28. I started learning English ______ the age of 10.
A. in B. on C. at D. with
29. She usually goes to the cinema ______ Friday evenings.
A. in B. on C. at D. for
30. We all like to go swimming ______ summer, especially ______ a hot afternoon.
A. in; in B. on; on C. in; on D. on; in
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