1)<br/><br/>a)How could that be our home?<br/><br/>b)How that could be our home?<br/><br/>2)<br/><br/>a)Does he know English?<br/><br/> Yes, he does.<br/><br/>b)If a is not corret, how can we say it in another way?<br/><br/>3)<br/><br/>a)The engine stoped working.<br/><br/>b)The engine stoped from working.<br/><br/>c)The engine stoped of working.<br/><br/>4)<br/><br/>a)You can't say that.<br/><br/>b)It is incorrect to say "You say can't that", right?