Hi teachers,<br/><br/><a class='_ac _lb' lightbox='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/1725771.0_rb7htxz2ycxx.png '><img class='_ac _di img-fluid' style='width:598px; height:inherit; background: inherit;' data-delaysrc='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/1725771.0_rb7htxz2ycxx.png' src='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/1725771.0_rb7htxz2ycxx.png' /></a><br/><br/>It's not correct to say "could" instead of the "was able to" above, is it?