This study investigated the effects of 1) implicit and explicit inductive instructions and 2) various task types on both intake and acquisition of two English grammatical structures. Fifty adult ESL learners enrolled in private language schools in New Zealand were pretested with the help of a timed and an untimed grammaticality judgement test for prior knowledge of negative adverbs and adverb placement and were randomly assigned to either a dictation, an individual reconstruction, or a collaborative reconstruction treatment. Treatments were accompanied by either implicit instructions (containing only practical instructions on how to perform the task) or explicit instructions (drawing participants’ attention to the target structures and giving an example of them). Performance on the treatments was taken as a measure of intake, and talk-aloud reports were obtained to gauge participants’ awareness during task completion....More >< Less