关于时间的介词请详细回答,给出例句1 在某月前的介词2 在某季节的介词3 在某月某日介词4 在某时某月某日的介词5 在某月某日上午的介词

1.on
2.in
3.on
4.on
5.on

表示年,月,日时刻等用at,in,on
表示时间的前后用before,after
表示期限等用by,untill,till
表示期间等用for,during,through
表示时间的起点等用from,since
表示时间的经过等用in,within
表示年,月,日时刻等用at,in,on
at 用于表示时刻,时间的某一点
at noon
at night
at present
at 8 o'clock
We usually have lunch at 12.
on 用于某天,某天的上,下午(指具体某一天时,一律用on) 返回
on Monday
on Tuesday morning
on June 12th
on a cold night
on the night of May 1st
We didn't listen to the lecture on Friday afternoon.
in 用于表示周,月,季节,年,泛指的上午,下午,晚上
in the week
in May
in spring
in 1992
in the morning
in the afternoon 返回
in the night
People go skating in winter.
表示时间的前后用before,after
before 在...之前
Wash your hands before dinner.
He will call me before he leaves here.
after 在...之后
Let's sing some songs after school.
Please close the door after you leave the room.
表示期限等用by,untill,till
by 在...之前;截至...
How many English books had you read by the end of last year.
untill(till) 直到...为止 (untill 与 till 可通用)
We didn't begin to watch TV untill (till) nine o'clock.
I'll wait for him untill he comes here.
表示期间等用for,during,through
for 达...之久 返回
He has lived here for 20 years.
We will stay in the city for two days.
during 在...期间
They are going to have a good rest during the summer holidays.
through 一直...(从开始到结束)
They played the cards through the night.
表示时间的起点等用from,since
from 从...起(时间)
The meeting will be held from eight to ten.
The meeting will be held at eight
since 自从...以来(表示从以前某时一直到现在仍在继续)
I have been sick since yesterday.
The doctor has saved a lot of lives since he became a doctor.
表示时间的经过等用in,within 返回
in 在...后(未来时间)
in an hour
in a week or so
He will be back in five hours.
They said they would arrive here in a week.
within 不超过...的范围
within 3 hours
I must finish painting the cat within five minutes.
They worked hard. They finished the work within 2 days at last.

月前的介词是in in May
季节的介词是in in spring
某月某日介词是 on on tenth of July
某时某月某日的介词 at ten o'clock,tenth of July
某月某日上午的介词 in the morning of tenth of July

楼上似乎第一个就写错了吧，
1 在某月前的介词， in 比如，in June
2 在某季节的介词， in 比如，in Spring
3 在某月某日介词, on 比如， on June 6th
4 在某时某月某日的介词, at 比如， at 9：00， June 6th，2009
5 在某月某日上午的介词， on 比如，on Monday morning， on Saturday night