Representation of the total vocabulary of the time introduction (1)

1. in

(1) Emphasize the time period, that is, in a longer period of time, after more than the century, year, month, season, generally refers to the upper, afternoon and evening of a certain day, that is, in + a period of time:

Such as: in the twentieth century in the 20th century;

in 2022 in 2022;

in spring/summer/autumn/winter in spring/summer/autumn/winter

in the morning/afternoon/evening in the morning/afternoon/evening.

1) We never go shopping in the evening.

2)We can go swimming in summer.

Note: in the morning, in the afternoon, in the eveningIf you add any modifier modifier (morning, afternoon, evening) to these three phrases, the prepositions preceded by it should be changed to on, such as: on a cold afternoon, on the morning of July 14th

1. The girl usually plays the piano on Saturday morning.

(2) Indicates "in ... after", followed by a period of time, mostly for future tense. as:

I will come in a week.

We are going to Shanghai in two days.

2．at

(1) Indicates a point in time, usually used to indicate a specific time, noon, night, and before dawn

at seven o'clock, at a quarter past four, at noon at noon, at night at night, at dawn at dawn, etc.

(2) Used in some fixed phrases. as:

at the beginning of 在…… 开始；

at the end of in... the end;

at the same time同时；

at the age of 在…… 岁时；

at the weekend/at weekends在周末

　3．on

　(1) Used to indicate the morning, afternoon or evening of a specific day, day of the week, or specific day, and also before a holiday. as:

on the morning of August 8 on the morning of August 8

on Monday

on New Year's Eve on Chinese New Year's Eve Night

on Saturday morning on Saturday morning

on June 22, 2006

on Children's Day on Children's Day

The students will have a party(B ) the evening of June, 18th.

A、at B. on C. in D.by