This paper provides a detailed and comprehensive description of coordinated finite multiverb constructions (CFMVCs) in Spanish, such as Pedro llegó y me gritó (‘Pedro suddenly started yelling at me’, LIT: ‘Pedro arrived and yelled at me’) or María coge y se va (‘María left abruptly’, LIT: ‘María takes and leaves’). Through an analysis of their syntactic and semantic properties, their monopredicative nature is demonstrated, addressing concerns raised in previous studies. It is argued that the primary value of CFMVCs is aspectual in nature, specifically interruptive, although secondary values such as mirativity have deve loped in some varieties. Adopting a diachronic and comparative perspective, the gradual grammaticalization process of these constructions is examined, showing different stages of development depending on the dialect and the type of verb used. The results highlight the importance of considering dialectal variation and grammaticalization processes in the study of CFMVCs. Phenomena such as the lack of agreement between verbs and the fixed position of the first verb in some varieties suggest a higher degree of grammaticalization. This article aims to contribute to the understanding of CFMVCs in Spanish, laying the groundwork for future typological and comparative studies with similar constructions in other languages. The incorporation of data from various Spanish varieties has been fundamental to capturing the dynamic and diverse nature of these constructions in the Spanish-speaking world.