Confirm these writing questions please

<ol>
<li>Had he lived beyond his twenty-eight years, Schiele would have to become a very different artist functioning in a very different world.</li>
</ol>

<p>The error occurs at "have to" because it's not consistent with the past perfect tense of "had." I believe it should be "have had to," but that's sounds a bit awkward.</p>

<ol>
<li>In the eighteenth century a simple method of musical notation helped to make music more popular than in any century.</li>
</ol>

<p>The error occurs at "any century." It should be "any other century."</p>

<p>Sounds right to me [your explanations, that is].</p>

<p>nerrrrrrmind</p>

<p>both of your explanations are correct. Yes, it does sound awkward but it’s grammatically correct.</p>

<p>Thanks all.</p>

<p>Yeah, they’re both right.</p>

<p>Sounds good to me!</p>

<p>they’re both correct :)</p>

<ol>
<li><p>What tense does the original “have to” take in the context of the orignial sentence?</p></li>
<li><p>remember the reason why it is “any other” is because “any” includes the “simple method”</p></li>
</ol>