24 in, into和on, onto
1 in 通常表示静态,指物体位置的静止状态,或处于一定范围,意为“在……里”,反义词是out 。
There are two knives in the box. 盒子里有两把小刀。
They are reading in the classroom. 他们在教室里读书。
2 into 表示的是动态,指动作的方向,意为“入……之中”,反义词是out of 。
He jumped into the river. 他跳进河里。
The students went into the classroom one by one. 学生们一个接一个走进教室。
提示
fall, put, throw等动词后,可用into或in,这时的in表示的是动态。
He put his hands in/into his pockets. 他把手放进衣袋里。
The man threw the ball in/into the water. 那人把球扔进水里去了。
3 on 表示的是静态,指“在……上面”;而onto 则表示动态。
There are some books on the desk. 桌子上有一些书。
An apple fell onto the ground. 一只苹果掉在了地上。
The workers lifted the cars onto the train. 工人们把小汽车吊到火车上。