on是什么意思翻译成中文（英语时间介词at on in用法秒懂）

在终于明白英语地点介词at、on和in的用法区别了一文中，张老师为大家分析了地点介词at、on、in的用法。今天，我们继续分析时间英语介词at、on、in的用法区别。

    英语时间介词AT

1. At：时间点

I'll see you at five o'clock.

2. At：一天中的某个特殊点，如miay, noon等

The helicopter took off at miayand headed for the island.

3. At：一周中的某个特殊点，如weekend

What are you doing at the weekend?

4. At：特殊的节日

At the New Year, millions of people travel home to be with their filies(但是，在生日，必须使用 onyour birthday).

英语时间介词ON

1. On：具体到某一天的日期

We moved into this house on 25 October 1987.

2. On：星期几（单数）

I've got to go to London on Friday.

3. On：星期几（复数），表示重复的事件

The office is closed on Fridays.(= every Friday)

4. On：特殊的日期

What do you norlly do on your birthday?

英语时间介词IN

1. In：一天的某个阶段

I'll come and see you in the morningfor a cup of coffee, okay?

2. In：月份

We usually go cping in July or August.

3. In：年份

The house was built in 1835.

4. In：季节

The garden is wonderful in the springwhen all the flowers come out.

5. In：长时间段

The population of Europe doubled in the nineteenth century.

6. In：时间持续长度，表示花了多长时间

He was such a clever musician. He could learn a song in about five minutes.

7. In a year's time / in two month's time，表示多长时间之后，某事会发生。

I won't say goodbye because we'll be seeing each other again in three days' time. （= in three days）

At和On辨析

At + 公共节日和周末，但如果是某个特殊的一天或周末时，使用on

• We never go away at the New Year because the traffic is awful.（新年假日，一年的前最初几天）

• On New Year's Day, the whole fily gets together. （新年的第一天这个特殊的一天里）

• I'll go and see my mother at the weekendif the weather's okay.（在周末一直这样）

• The festival is always held on the last weekend in July.（在7月的最后一个周末这个特殊的周末里）

At和On辨析

In the morning/afternoon/evening，但是当指代某个特殊的早上时，使用in

• I always work best in the morning. I often get tired in the afternoon.

• The ship left the harbour on the morning of the ninth of November. (9月9日这一天的早上）

• In the evening they used to sit outside and watch the sun going down.

• It happened on a beautiful summer's evening. （在某个特殊的夏天的晚上）

At和In辨析

in the night：某个特殊的晚上；at night：通常意义上的晚上。

• I was awake in the night, thinking about all the things that have happened.

• It's not safe to travel at night.

    不需要时间介词at、on、in的英语表达

以each，every, next, last, some, this, that, one, any, all等词汇开头的时间短语，不需要使用任何时间介词。

• He plays football every Saturday.

• Are you free next Mondayat two o’clock?

• Last summerwe rented a villa in Portugal.