what is the difference between deep and surface structure

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Dear friends, who can answer me

what is the difference between deep and surface structure

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Deep and Surface structure

Surface structure

We can take these two sentences to identify the meaning of surface structure

Charlie broke the window
The window was broken by Charlie

In traditional terminology, the first is an active sentence and the second is passive.The distinction between them is the surface structure


Deep structure

The basic components shared by the two sentences would be represented, has been called their deep structure

Deep structure
It is an abstract level of structural organization in which all the elements determining structural interpretation.