By Rasheed Sobowale

A new comparative study by Deborah Ibukun Adeyeye has shed light on the intricate structural dynamics of German and Yorùbá complex verbs, revealing deep differences tempered by surprising similarities that carry major implications for bilingual learners, teachers, and translators.

Adeyeye, a lecturer and researcher from the Department of Foreign Languages at the University of Benin, analyzed how both languages construct multi-part verbs, drawing linguistic data from classical literary works including Blechtrommel by Günter Grass and the Yorùbá literary masterpiece Igbó Olódùmarè by D.O. Fagunwa.

Although the two languages belong to unrelated linguistic families, the study shows that both make use of complex verbs made up of multiple constituents. The mechanisms, however, diverge sharply.

According to the research, German complex verbs are largely formed through derivational morphology, typically involving separable verb particles or fixed prefixes. Common particles and prefixes such as ab–, aus–, mit–, and be–, ver–, and ent– significantly alter the meaning of German verbs, contributing to their versatility but also increasing learning difficulty for second-language speakers.

Yorùbá, in contrast, uses composition and contraction, forming complex verbs by joining full lexical words—often combining verbs, nouns, or prepositional elements. Adeyeye illustrated this with Yorùbá formations such as verb + noun, verb + verb, and verb + preposition constructions.

“The study reveals that the formation of complex verbs in Yorùbá and the use of contractions present a distinct acquisition challenge for learners, whose L1 grammaticalizes verb formation in a more fixed manner,” the report states.

Adeyeye summarized her findings in a quote retained verbatim from the research:
“German complex verbs are mostly products of derivational processes involving prefixes and separable particles, whereas in contrast, Yorùbá complex verbs arise primarily through composition, often involving nouns or verbs in contraction.”

Acquisition Challenges and Pedagogical Implications

The study also identified a morpho-syntactic category unique to Yorùbá—multi-phased verbs—which are conditioned by syntax and can be separable depending on clause type. Adeyeye further grouped Yorùbá verbs into syntactically inseparable, separable, and multi-phased types, a contrast not prominently reflected in German verb structures.

Addressing the implications for classroom instruction, she stressed the importance of methodical structural alignment during language teaching:

“Understanding these differences is vital for effective pedagogy,” Adeyeye noted.
“Teachers must address structural mismatches explicitly to avoid transfer errors.”

Closing her advisory remarks, she added:

“Recognizing both parallels and contrasts enables better linguistic navigation and promotes more effective learning outcomes,” Adeyeye advised.

The research, anchored on principles of contrastive analysis theory, calls for culturally responsive pedagogy and encourages educators and learners to account for cross-linguistic interference when navigating bilingual verb systems.

As digital communication broadens global access to diverse languages from Nigeria outward, the insights from Adeyeye’s work underline a growing academic focus on linguistic precision, bilingual competence, and improved acquisition strategies for structurally divergent languages.