Simpler Syntax (Oxford Linguistics)

Syntax: A Generative Introduction (Introducing Linguistics)

Alternation (Linguistics): Phoneme, Morpheme, Phonology, Morphology (linguistics), Syntax, Allophone, Allomorph, Linguistics, Apophony, Sibilant consonant

English Syntax and Argumentation (Macmillan Modern Linguistics)

Core Syntax: A Minimalist Approach (Core Linguistics)