Could you tell me what is difference between following sentences?<br/><br/>Thanks.<h2></h2><h2></h2><h2></h2><h2></h2><h2></h2><h2></h2><h2></h2><h2></h2><h2></h2><h2></h2><h2></h2><h2></h2><h2></h2><h2></h2><h2></h2><h2></h2>1. <br/><br/>What are the chances of him to survive?<br/><br/>What are the chances of him surviving?<br/><br/><br/>2. <br/><br/><br/>It rains now.<br/><br/>It is raining now.