look在这里不是行为动词“看”,而是系动词“看起来”.
如:He is looking at the blackboard carefully.他正在认真地看黑板.(行为动词,用副词修饰)
He looks young.他看起来很年轻.(系动词,相当于be动词的用法,跟形容词.)
look在这里不是行为动词“看”,而是系动词“看起来”.
如:He is looking at the blackboard carefully.他正在认真地看黑板.(行为动词,用副词修饰)
He looks young.他看起来很年轻.(系动词,相当于be动词的用法,跟形容词.)