权威例句
The Germanic weak preterit
The preterit and the imperfect as grounding predications
Impact of tpr on the preterit tense in Spanish
Present Perfect for Preterit in Salvadoran Narratives: The Perfective Expansion into Narrative Discourse
Perfect Evolution and Change: Preterit and Present Perfect Usage in Contemporary and Earlier Argentina
Error Evaluation, Interlanguage Analysis, and the Preterit in the Spanish L2 Classroom.
Acquiring Morphosyntactic and Semantic Properties of Preterit and Imperfect Tenses in L2 Spanish
Perfect evolution and change: A sociolinguistic study of Preterit and Present Perfect usage in contemporary and earlier Argentina
Developmental readiness and tense/aspect: An instructional study of L2 preterit and imperfect acquisition in Spanish
The L2 acquisition of the semantics and morphology of Aspect: a study of the acquisition of the Spanish imperfect-preterit contrast ...