To some extent, this reflects the testing procedure: the correction task depended on successful judgments of ungrammatical sentences.
There is a description of the linguistic phenomena, such as ungrammatical text and novel lexical items, which may be encountered in internet communications.
Sentences (6) and (7), on the other hand, can be comfortably deemed ungrammatical because intransitive verbs should not co-occur with accusative case-marking.
Participants across several studies using different types of materials discriminated new grammatical from ungrammatical test items, suggesting that they had learned the paradigm structure.
It should be noted, however, that it was the grammatical anomalous and ungrammatical meaningful sentences that revealed the most interesting findings in the judgment task.
The comparison of primary interest here is how the two groups differed in their judgments of the ungrammatical constructions.
Critically, this means that negative evidence teaches the child not only that the irregular form is grammatical, but also that the overregularized form is ungrammatical.
In this case, learners will presumably need to rely on indirect negative evidence, somehow noticing the absence or relatively low frequency of ungrammatical forms.
