Depending on the sentence, a pronoun should be placed before or after the verb. In a statement, it will be before, such as in "I can buy a necklace." In a question, it will be after, such as in "Can I buy a necklace?" (which is after the helping verb but before the acting verb)
"This Idea came to me one evening 'or' I looked at my TV. Perhaps you meant 'When'
