介词
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by, in表示工具、手段和材料时， with多指用工具，用身体的某一部位或器官； by表示使用的方法、手段、交通工具； in指使用某种语言、工具的具体类型等。 For examples:
You can see it with your own eyes. 你可以亲自去看看。 Why don’t we go there by car instead? 我们为什么不坐小汽车去呢？ She can speak it in English. 她能用英语说。
2. before, after, for表示时间的介词
• After 在……之后 After three months, he achieved the goal. • Before 在……之前 Before he goes to bed, he washes his face. • For 在一段时间内 He lives here for a long time.
• ⑥between一般指“两者之间”。among用于三个或三个以
上的人或物之间，或笼统的一群人或一些物之中。 • The house stands between two farms. 这座房子位于两个农 场之间。 • The house stands among farms. 这座房子位于农场之间。
Prepositions---介词
刘莉
• Teaching objectives （教学目标） • Students are able to understand and apply the basic usages of prepositions.
Practical Grammar
1
The definition of Prepositions
III. Exercises
1. They were astonished ________ the news of his escape from prison. A. for B. in C. at D. to 2. Mary answered all the questions _______ the last one, which she had never heard of before. A. besides B. except C. apart from D. except for 3. The boy is curious ______ everything. I’m sure he is very clever. A. to B. about C. with D. in 4. The teacher is writing _____ a piece of chalk on the blackboard while the students are writing _____ ink in exercise book. A. with, in B. in, with C. in, in D. with, with 5. Mr. Li went to Beijing _____ October, 2013 and came back home _____ the morning of Nov.5. A. at, in B. on, at C. in, on D. by, from
同一个介词常和不同的词语搭配形成固定搭配，表示不 同意义 For examples: look at, look up, look for, look after
介词可分类如下：
II Usage of Prepositions
• 常见介词的用法 1. 介词at，in与on在时间方面的用法 For examples: • 1) He goes to school at seven o’clock in the morning./ at noon （中午） 他早晨七点上学。 • 2) Will you finish the work in two days？/ in spring （春季） • 你将在两天内完成这个工作吗？ • 3)Linda was born on the second of May. / on Sunday （星期日） • 琳达五月二日出生。 at强调“点”时间 in 强调“段”时间on强调“日” 期。
3. 地点介词in, at, on above, below, over, under, among, between的用法 ①in表示地点，意为“在…内”，用于内部。 He put his hands in his pockets. 他把手放入口袋。 ②on意为“在…上面”，用于表面接触，指在一个平面 上。 What’s on the table? 桌子上有什么？ ③表示“在某地”时，at后面接小地方，in后接大地方。 at home在家 at the bus stop在汽车站 in China在中国 in the world在世界上
Thank you !
• ④above的意思是“在…之上”“高于…”，表示相对高度， 不一定是在正上方，它的反义词是below。 • The plane flew above the clouds. 飞机在云层上面飞行。 • The Dead Sea is below sea level. 死海的海面低于海平面。 • ⑤over的意思是“在…之上”，表示垂直之上，其反义词是 under。 • There is a bridge over the river. 河上有座桥。 • There is a boat under the bridge. 桥下有只船。
介词
Preposition
2 The Usages of Prepositions
3
Exercises
I. Definition and Classification 介词是一种虚词，不能单独充当句子成分，但 可以与名词、代词或其他词类、短语或从 句组成介词短语，在句中作状语、定语、 表语和宾语补足语。
You can see it with your own eyes. 你可以亲自去看看。 Why don’t we go there by car instead? 我们为什么不坐小汽车去呢？ She can speak it in English. 她能用英语说。
2. before, after, for表示时间的介词
• After 在……之后 After three months, he achieved the goal. • Before 在……之前 Before he goes to bed, he washes his face. • For 在一段时间内 He lives here for a long time.
• ⑥between一般指“两者之间”。among用于三个或三个以
上的人或物之间，或笼统的一群人或一些物之中。 • The house stands between two farms. 这座房子位于两个农 场之间。 • The house stands among farms. 这座房子位于农场之间。
Prepositions---介词
刘莉
• Teaching objectives （教学目标） • Students are able to understand and apply the basic usages of prepositions.
Practical Grammar
1
The definition of Prepositions
III. Exercises
1. They were astonished ________ the news of his escape from prison. A. for B. in C. at D. to 2. Mary answered all the questions _______ the last one, which she had never heard of before. A. besides B. except C. apart from D. except for 3. The boy is curious ______ everything. I’m sure he is very clever. A. to B. about C. with D. in 4. The teacher is writing _____ a piece of chalk on the blackboard while the students are writing _____ ink in exercise book. A. with, in B. in, with C. in, in D. with, with 5. Mr. Li went to Beijing _____ October, 2013 and came back home _____ the morning of Nov.5. A. at, in B. on, at C. in, on D. by, from
同一个介词常和不同的词语搭配形成固定搭配，表示不 同意义 For examples: look at, look up, look for, look after
介词可分类如下：
II Usage of Prepositions
• 常见介词的用法 1. 介词at，in与on在时间方面的用法 For examples: • 1) He goes to school at seven o’clock in the morning./ at noon （中午） 他早晨七点上学。 • 2) Will you finish the work in two days？/ in spring （春季） • 你将在两天内完成这个工作吗？ • 3)Linda was born on the second of May. / on Sunday （星期日） • 琳达五月二日出生。 at强调“点”时间 in 强调“段”时间on强调“日” 期。
3. 地点介词in, at, on above, below, over, under, among, between的用法 ①in表示地点，意为“在…内”，用于内部。 He put his hands in his pockets. 他把手放入口袋。 ②on意为“在…上面”，用于表面接触，指在一个平面 上。 What’s on the table? 桌子上有什么？ ③表示“在某地”时，at后面接小地方，in后接大地方。 at home在家 at the bus stop在汽车站 in China在中国 in the world在世界上
Thank you !
• ④above的意思是“在…之上”“高于…”，表示相对高度， 不一定是在正上方，它的反义词是below。 • The plane flew above the clouds. 飞机在云层上面飞行。 • The Dead Sea is below sea level. 死海的海面低于海平面。 • ⑤over的意思是“在…之上”，表示垂直之上，其反义词是 under。 • There is a bridge over the river. 河上有座桥。 • There is a boat under the bridge. 桥下有只船。
介词
Preposition
2 The Usages of Prepositions
3
Exercises
I. Definition and Classification 介词是一种虚词，不能单独充当句子成分，但 可以与名词、代词或其他词类、短语或从 句组成介词短语，在句中作状语、定语、 表语和宾语补足语。