1. She builds bridges.<br/><br/>2. She built a bridge.<br/><br/>How do you interpret #1?<br/><br/>I think the point of #2 is the action of building a bridge. But I don't think #1 is so. Does #1 imply that she is a builder(or constructor)?<br/><br/>Then can I say 'she builds <u>a</u> bridge?