1.The father asked Tom to swin faster 2.Newton has always been interested in the problem of light3.Computers represent a new branch of science…

1. The father didn't ask Tom to swine faster. Did the father ask Tom to swine faster? 2. Newton hasn't always been interested in the problem of light. Has Newton always been interested in the problem of light? 3. Computers don't represent a new branch of science. Do computers represent a new branch of science?