Do each of these sentences contain a gerund: <br/><br/>I was pleased with your helping your sister. <br/><br/>The teacher appreciated our listening to the speaker. <br/><br/>Through practice, she had improved her swimming. (is the comma in the right place?) <br/><br/>They awed the audience with their public speaking. <br/><br/>My mother approved of my running the Boston Marathon. <br/><br/>With all the work that needed to be done, I was annoyed with her lying down. (comma?) <br/><br/>Thanks this site has been a tremendous help. I am learning more English everyday.