Examples:
Example | Instruction stream (clickable) | Notes |
---|---|---|
Strong Crossover | ||
Who1 thinks (that) Mary likes him1 | [who, q, he, d, like, 'v*', [mary, d], 'T', c_eQ, think, v_unerg, 'T', c_Q] | Doubling Constituent (DC) he-who object of embedded verb like.
Two derivations. [Note: Need to allow c stack search to find (inactive) who.] |
Who1 thinks (that) Mary likes him2 | [he, d, like, 'v*', [mary, d], 'T', c_e, think, v_unerg, [who, q], 'T', c_Q] | No DC.
He is object of embedded verb like. Who is subject of matrix verb think. Two derivations. |
*Who1 does he1 think Mary likes | No DC analysis possible. | |
Who1 does he2 think (that) Mary likes | [who, q, like, 'v*', [mary, d], 'T', c_eQ, think, v_unerg, [he, d], 'T', c_Q] | No DC.
Who object of embedded verb like. He subject of matrix verb think. Two derivations. |