常用介词

　　6、沿着 a. along（没有方向性）

　　We went for a walk along the shore.

　　我们沿着海岸散步。

　　b.up（向上，向说话者走来）

　　The boy climbed up the tree.

　　这个男孩爬上树。

　　c.down（向下，向说话者走去）

　　Will you walk down to the lake with her？

　　你跟她走到湖那头去好吗？

　　7、在…之间 a.between在两者之间

　　b.among在三者或以上之间

　　eg.1.She was sitting between John and Tom.

　　2. What were you doing between eight and nine？

　　3. What‘s the defference between the two words？

　　4. we found a little house among the trees.

　　5. The students lived and worked among the workers.

　　Between ，among 是介词，必须 +宾格：between you and me

　　8.、at+地点（小地方） in+地点（大地方）

　　eg. I‘ve been at our school/in the USA.

　　在桌边 at the table

　　at表示“向，朝” eg. look at / laugh at

　　shoot sb 射死，射中/ shoot at sb朝…射击

　　eg. The hunter shot at the tree ，but he didn‘t shoot any birds.

　　At+时间点

　　At+价格

　　At+速度