A great deal of research concerning the acquisition of English morphology as a second language has been carried out in order to explain some typical stages in the acquisition of the English-s morphemes and the difficulty confronted by second language learners. According to Siegel (2003), interlanguage and functional transfer both play a crucial…

Spoken verb tense use in three groups of Spanish speakers with expressive limitations, namely, children with specific language impairment, bilingual children with first language (L1) (Spanish) attrition and adults with agrammatism, was compared in order to examine the possible impact of conversational tense frequency on expressive production.…