Islands
Once a subject moves to its final position, its internal structure is "frozen" and cannot be accessed.
A occurs when the grammatical subject of a sentence acts as one of these barriers. In English, you can usually extract a word from the object of a sentence, but doing the same to the subject results in an ill-formed "island violation". Islands
Linguists debate whether these "walls" are built into our mental grammar or caused by how we process information. 1. The Architectural View Once a subject moves to its final position,