onto和on, into和in 有什么区别?

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onto和on, into和in 有什么区别?

onto和on, into和in 有什么区别?
onto和on, into和in 有什么区别?

onto和on, into和in 有什么区别?
onto 与 on to 的用法区别
1.两者都用作介词,合写一词的 onto 在意上相当于 to+on,即表示某物向另一物运动(to),然后停落在另一物之上(on).使用时两者常可换用.如:
He jumped onto [on to] the horse.他跳上马.
He put the dictionary onto [on to] the desk.他把字典放到桌上.
2.以下情况的 on to 不能合写为一词(onto):
(1) on 为副词时.如:
We must walk on to the next village.我们必须继续走路去下一个村庄.
Pass this on to the next person after signing it.签名之后请把它传给下一位.
(2) on 后的 to 为不定式符号时.如:
He went on to tell us an interesting story.接着他给我们讲了个有趣的故事.
He had to hang on to avoid being washed overboard.为了不至于被冲入水里,他只好紧紧抓住不放.
in和into都可作介词,与“里面”有关,但用法有别.
in是表示物体位置的静态介词,表示“在……里面”,其反义词是out.
They are sitting in the room.他们正坐在房间里.
The boy is in Class 2,Grade 3.这男孩在三年级二班.
into是表示动作方向的动态介词,表示“到……里面去”,常与表示动作的动词(如come,go,run,rush等)连用,其反义词为out of.
He ran into the room just now.刚才他跑进了房间.
They all jumped into the sea and swam to the island.
 他们都跳进了海里,向那个岛游过去.
有些动词(如put,fall,throw等)既可用in,也可用into,这时in同into一样,也表示动态.
Can you help me put these things in the basket?
 你能帮我把这些东西放到篮子里吗?
The boy fell in the water.这个男孩掉进水里了.
in还可用作副词,意为“在家、往里面”,而into不能.
Is Tom in?汤姆在家吗?
May I come in?我可以进来吗?
不明白的再问哟,请及时采纳,多谢!