[Long-term effects of speech training with a mentally handicapped girl (author's transl)].

After an intensive training in regular verbs used in different contexts of fifteen-year-old mentally and speech retarded girl was able to produce creative sentences such as "Yesterday I made the bed". Before the training she only used sentences without conjugating the verbs, e.g., "Yesterday make bed". Upon re-examination three years after completion of the training the effects of the treatment were still evident. Also, when describing pictures, re-telling something or freely relating the girl used regular verb forms as often correctly as she did in the training sentences, both immediately after the training and three years later. The same appplies to irregular verbs despite the fact they were not included in the training programme.