介词教案

第一课时：介词

教学重点：重要介词的知识点及用法

教学难点：介词的运用

教学步骤：

Step1 语法讲解

1. At; on; in

①at + 具体时刻：at 3：00

②on + 具体某天（具体某天的上、下午等；星期词；以及上、下午词前有修饰词时）

③in + 年、月、季节及一天中的某部分

注意：at this / that time at Christmas

eg.

1.___ the morning

2.___ Monday morning

3. ___ a rainy evening

4. ___3:50

5.__ 2002

6.___ the morning of April 10

7.___ spring 8.___ night

9.___ this time 10. ___ March

另外注意：在时间词（morning , afternoon , evening ; Sunday…）前有last, next , this , that时，不再用介词. tomorrow, tonight前也不用介词。

eg. I will go____

(A) to the cinema (B) in (C) this evening.

2. in , on , at 表地点：

at一般指小地方；

in一般指大地方或某个范围之内；

on往往表示“在某个物体的表面”。

eg.

1)He arrived ___Shanghai yesterday.

2)They arrived ___a small village before dark.

3)There is a big hole ____ the wall.

4)The teacher put up a picture ____ the wall.

3. in , on , to表方位

in(范围内)；on(范围外且接壤)；to(范围外但不接壤)。可表示为下面的位置关系

Eg.

1)Taiwan is in the southeast of China.

2)Hubei is on the north of Hunan.

3)Japan is to the east of China.

cross: 动词“跨过，越过”=go across

4. across: （表面）跨过

through: （内部）穿过，贯穿介词

eg.

1)Can you swim _____ the river?

2)The road runs __________ the forest.

3) _____ the bridge, you’ll find a cinema.

5. in + 时间段：与将来时连用

after + 时间段：与过去时连用

但after + 时间点：可与将来时连用。

1) I’ll leave _______ three o’clock.. That is, I’ll leave ________ about ten min utes.

2)They left _______ two weeks.

Step3: Summary

Step4: Homework

Step5:板书设计

教学反思：

第二课时：介词

教学重点：重要介词的知识点及用法

教学难点：介词的运用

教学步骤：

Step1 语法讲解

1. in the tree (外加在树上的事物)

on the tree (树上自身具有的花、果、叶等)

on the wall(墙表面的事物)

in the wall(镶嵌在墙内部的事物)

1) There is a map ___ the wall

2) There are four windows ___ the wall.

2. by bike / bus / car / ship (单数且无冠词)

但当这些交通工具名词前有其它修饰词时，则应使用相应的介词。

eg. by bike = on a(the; his) bike

by car = in a(the ; her) car

on: 在…（表面）上——接触

3. over: 在…的正上方

above: 在…的斜上方未接触

1) The moon rose ______ the hill.

2) There is a bridge _____ the river.

3) There is a book ______ the desk.

4. between: 在（两者）之间

among :在（三者以上）之间

1) A big crowd of people were waiting for Li Lida on the beach. ________ th em were his parents.

2) Tom sits ________Lucy and Lily.

5. on与about : 关于

on用于较正式的演讲、学术、书籍等

about用于非正式的谈话或随便提及

eg. He gave a talk ____ the history of the Party

Step3: Summary

Step4: Homework

Step5:板书设计

教学反思：

第三课时：介词

教学重点：重要介词的知识点及用法

教学难点：介词的运用

教学步骤：

Step1 语法讲解

1. in front of :在…前面/方（范围外）= before

in / at the front of:在……前部（范围内）

1)There is a big tree _______ of the classroom.

2)A driver drives _________ of the bus.

类似区别：at the back of与behind

2. with和in: 表示“用“

with: 指“用工具、手、口等”

in: 指“用语言、话语、声音等”

1) Please write the letter ____ a pen.

2) Please speak ____ a loud voice.

3. on a farm ; in a factory ; the girl in the hat ; leave for: 动身前往某地

4. 一些固定搭配：

（1）介词与动词的搭配

listen to , laugh at, get to, look for;

wait for, hear from, turn on, turn off, worry about, think o f, look after, spend…on…, 等。

（2）介词与名词的搭配

on time, in time, by bus, on foot,