nominalise वाक्य

In German grammar it is very easy to nominalise verbs; you just need to put the article ahead verb.
Yes, I know it sounds long-winded to foreigners who want to nominalise everything but Angr's translation " What he had experienced overshadowed what he had heard " really does sound much more natural.
Hirakouji presents the following examples ( in ( 28 ), the first no is used to nominalise the preceding clause ) to demonstrate how ?pronominalisation cannot be used in the ordinary focus position ( 27 is incorrect ):