the policeman finds a boy( )【原型是look】out of the window of the bus 附带讲解

问题描述:

the policeman finds a boy( )【原型是look】out of the window of the bus
附带讲解

looking,发现他正在往窗外看

填looking。这里looking(现在分词)做句子的补语,表示进行。整个句子the policeman finds a boy looking out of the window of the bus =the policeman finds (that) a boy is looking out of the window of the bus 。不过不同的是前面那个句子是一个简单句,后面那个句子是一个宾语从句。

the policeman finds a boy(looking )【原型是look】out of the window of the bus

looking
警察发现时 一定是男孩的动作正在进行
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