I wonder which of these<br/>cleft sentences sounds more natural<br/><br/><br/><br/>1) <span style="color:black;">It<br/><i>must </i>be before this visit that we come up to some changes in the<br/>communication process.</span><br/><br/><br/><br/><span style="color:black;">2) It is before this visit<br/>that we must come up to some changes in the communication process</span>