
www.topics-mag.com/edition20/memories/page.htm
We use 'used to' for something that happened regularly in the past but no longer happens.
study and practice this form below:
www.englishgrammarsecrets.com/usedto/menu.php
New Interchange Student's book Unit 1 Practice: http://www2.cambridge.org/interchangearcade/listtypes.do?level=2&unit=1&stage=1