初中英语语法专项—介词课件.pptx

初中英语语法专项—介词课件.pptx介词
Look at this picture,
what can you see?
There are some apples on the tree.
There is a bird in the tree.
There are some strawberries and flowers under the tree.
一、定义
介词是一种用来表示:词与词, 词与句之间的关系的词,在句中不能单独作句子成分。
二、分类
时间介词
地点介词
方式介词
其他介词(方法、原因、目的)
介词的讲解
介词
1
时间介词
in
年、月、季节及时间段(早、午、晚)
on
具体某一天,星期、节日
at
钟点、节日、(一段时间)的起点
① in the morning/afternoon/evening ② on Monday
in January/February on January fifth
in Spring on Christmas Day
in 2014 on New Year's Day
in 2 days/weeks/years on Sunday morning
③ at dawn/daybreak at six
at midnight at 4:30
at sixteen/at the age of sixteen at Christmas
Let's try!
1. My grandfather was born____Oct. 10, 1935. 
A. on  B. in  C. at  D. of 
  2. The train is starting___five minutes. 
A. in  B. at  C. for   
  3.  Mike does his exercises ____ seven _____ the evening. 
A. on; to  B. at; in  C. by; of  D. at; on 
  4.  Children get gifts ____ Christmas and ____ their birthdays. 
A. on; on  B. at; on  C. in; in  D. in; on 
5. There is nothing ____tomorrow afternoon, is there? 
-----No. We can have a game of table tennis. 
A. on  B. in  C. out  D. up
for
一段时间
over
在某个时间一直... (连续的状态,行为等)
某个时间点上发生或做了某事
(间断的或一次性的状态或行为)
during
① for 2 days ② over a five-year period
for a long time over many years
for a couple of weeks over night
They've been married for 10 years.
③ during the Middle Ages during 1942 在1942年中
during the summer(of that year) during his childhood
Let's try
1. He fell asleep ______ the lesson.
他在上课时睡着了。
2. The fish will not keep ______ night.
这条鱼放不到明天(就会变质)
3. He _____ a lot of great movies over these years.
made making made
4. I’d like to call on my uncle _____my stay in Beijing this summer.
In other words, I can see my uncle again _____the summer.
A. during; during B. in; in C. during; in D. in; during
5. There was a terrible storm_____the night;
it rained_____four or five hours.
A. during; during B. during; for
C. for; for D. fo