You constantly are fighting.<br/>You are constantly fighting.<br/>= <br/>Those attempts usually are futile.<br/>Those attempts are usually futile. <br/><h2>Which ones are correct? If both are correct, is there are difference in meaning?<br/><br/><br/><br/>People know what they are doing<br/>People know what it is they are doing<br/></h2>Is the element "what it is" redundant? Or does it change the meaning of the sentence?<br/><br/>Thank you!