一、Reflexive pronouns反身代词 

单数形式反身代词、复数形式反身代词 

1. 反身代词的基本用法是在句子中作宾语或表语。反身代词反指句子的主语，表示“本人”或“亲自”

Did you enjoy yourself last night?  

We should not think only of ourselves. 

He did the homework himself. 

2. by oneself 形式，其含义为alone单独地、独自地

I went on holiday by himself. (= I went on holiday alone.)  

3. 反身代词常用于某些固定搭配中。 

all by oneself       learn by oneself           think to oneself 

say to oneself            teach oneself            leave one by oneself 

make oneself at home 

二、Prepositions of position方位介词 

1. in 的用法 

1)in 可以用来表示“在一个被包围的空间中”。  

in a room/a shop/ a car/the water… 

2)in用来表示“在一大片平面的地域内” 

in a garden/a town/ the city centre/France 

3)in常见短语 

in bed          in hospital/in prison         in the sky         in the middle         in the world 

in a photograph/in a picture 

4)in a newspaper 和on a newspaper的区别 

2. at的用法 

1)at可以用来表示“十分靠近”,“在…旁边” 

at the desk              at the door            at the traffic lights 

2) 在面积较小的地方前面加at at home             at the bus stop                at the station              at the airport 

at the doctor’s         at the hotel 

4. on的用法:

1)on 意为“在…上面”。常指一个物体的垂直上方并接触。 

on the shelf           on a plate           on a balcony             on the floor    

on a wall           

2)常用短语  

On a bus/on a train/on a plane/on a ship 

On the ground floor/on the first floor 

On the way home 

5. to的用法:

1)用来表示“到…;往…”  go/come/return/walk to… 

2)在here、there、home前省略介词to 

3)from…to… 

We walked from the hotel to the station. 

6. by的用法：用于表述地点或位置时，是next to 或beside的意思，意为“靠近、紧靠” 

Our house is by the sea. 

7. under的用法：指不与表面接触且垂直的正下方。 

The cat is under the table. 

The man is standing under a tree. 

8. below和above的用法 

above一般指不与表面接触且不一定垂直的上方，below一般表示不与表面接触且不一定垂直的下方。