Free stuff for teachers
This minimal pairs worksheet can be used as a listening exercise to test your students' ability to distinguish phonetically similar words.
Pairs tested: she / see, seat / sheet, sink / think, saw / thaw.
Download the PDF here: http://quickworksheets.net/examples/minpairtree2.pdf>
Instructions for use: http://quickworksheets.net/generators/minimal-pairs/info2.php>
Similar types of worksheet can be made for free at the site below.