Now, now, or modifying the weather, which is correct?

The three commOnly used prepositions on, At and In can all indicate time and place, but the specific usage is different, so most students are confused. Now as lOng as you remember the formula, you can avoid all kInds of misuse of At, on and in.

1。 On, in and at represent time.

On "a specific day"

"When", gerund, arrival, before death; The first two positions of early and late positional sentences are generally used in "up", "down" and "late"; To the sky, to the moon, to the season, to the year ③; Limit the time to change clothes to three hours. ④at is a time point, "work", "time" and "Christmas" ⑤at.

At noon (evening), at

this

God, idioms are in my heart.

Note: ①on means the morning, afternoon and evening of a specific day.

example

exist

maternal

God, we

should

dispatch

flower

arrive

our/ours

Mom. On Mother's Day, we should send flowers to our mother.

exist

my

reach

Home, me

find

he

have

past

When I got home, I found that he had left. To the left

②

When early, late is used to modify the prepositional phrase at the beginning of a sentence, in is used, although it means morning, afternoon and evening of a specific day, generally it means morning, afternoon and evening.

.

example

Early; In the early days; shift to an earlier time

exist

this

(early) morning

about

national

God, I ...

get

up

arrive

catch

this

first

bus

arrive

this

Zoo.

In the early morning of National Day, I got up to catch the first bus to the zoo.

my

father

begin

work

exist

eight o'clock

exist

this

(early) morning

and

stop

work

exist

four-o'clock

exist

this

Good afternoon.

My father goes to work at 8 am and gets off work at 4 pm.

In the future tense, it means "after a while"

During the period of ...

And "in a certain season, year, month"

All in.

example

I

listen to

He will

be

hardworking

exist

a

Month. I hear that he will come back in a month.

In ...

this

course

about

this

final

course

exist

French, a little.

[Name] Franz (German name of Francis Ferdinand Franz Ferdinand)

be

listen attentively to

arrive

this

grasp

very

Heart. In the last French class, little Franz listened to the teacher very attentively.

Xiao (surname)

tomorrow

be

born

exist

December

about

Xiaoming was born in February 2004.

④ When?

When using prepositions or postattributives to modify morning, afternoon and evening, use on instead of in.

example

exist

a

hot

(summer)

noon

At hot (summer) noon

exist

Monday

(early) morning

Monday morning

exist

this

(early) morning

about

March

The 8th is the morning of March 8th.

⑤

It means at some point, before going to work, Christmas.

example

we

get

up

exist

eight

At o'clock.

We get up at 8 o'clock.

my

father

be

busily

exist

work

all

Day.

My father is busy with work all day.

In ...

western

country

children

get

gift

from

their

parents

exist

Christmas.

In western countries, children get presents from their fathers at Christmas.