Ladies and gentlemen, tell me how to use and distinguish AT IN ON, thank you

1. When in indicates the time, it is followed by a period of time.

For example: in the morning evening in the vacation year month, etc.

2. When ON indicates the time, it is mainly used for a specific day, which can be the day of the week or the day of the month.

For example: He will go to Shanghai on next Friday on December 1st.

3. When AT represents the time, it is mainly followed by a specific time point.

For example: she often gets up at 7:00.

By composition

A preposition indicates a noun or pronoun (or other part of speech, phrase, or clause equivalent to a noun) that follows it.

with other sentence components.

relationship. The preposition usually precedes the noun or pronoun.

Simple prepositions include in, on, with, by, for, at, about, under, of, to, etc. (to is a preposition, meaning socks are elevated to "habit (do).......)It is followed by a noun, pronoun, or gerund.

form) compound prepositions include prepositions consisting of two words, such as into, within, throughout, inside, outside, without, etc.

Distinguish. 1. In means direction, which means "in.".Calendar socks....within", i.e., a small place within the boundaries (territory) of a large place;

2. on indicates the direction, which means "in ......"end", i.e. one place at one end or on one side of another, where two places are only adjacent or bordering, but do not have jurisdiction over each other;

3. to means direction, which means "in ......surface", that is, one place is outside the scope of another place and does not have jurisdiction over each other. This is especially true when two places are far apart, and there are lakes, seas, and other areas separated by each other.

Usage. 1、 china is in the east of asia.

China in the East of Asia. (China is a country in Asia and is within the boundaries of Asia.) )

2、 guangdong province is on the southeast of guangxi.

Guangdong Province is located in the southeast of Guangxi. (Guangdong Province and Guangxi are geographically connected, i.e., they are adjacent to each other, but they do not have jurisdiction over each other.) )

3、 japan is to the east of china.

Japan is east of China. (Japan is outside the boundaries of China and is separated by the Sea of Japan).

Use of in.

1) A time period ago with in:in + year, month, season, century.

2) Fixed structure: in the morning afternoon evening

Example: in june in June; in spring; Rough Hall in the 1980s in the 80s of the 20th century.

2. The use of on.

1) The unit of time 2 and the expression of the week are expressed with on :on+specific day of the week.

e.g. on Monday; on may 1 is on May 1 (where May is a month and 1 is a day, so there are two units of time, hence the preposition on. ）

3. The use of AT.

1) At the time point of representation, before the holiday, use at:at+time point holiday.

2) Fixed structure: at night, at noon

Example: at ten o'clock at ten o'clock; At Christmas Christmas.