... and <reg>he</reg>
<corr resp="Theobald">babbl'd</corr> ... 

... and 
<choice>
  <orig>a</orig>
  <reg>he</reg> 
</choice>
<choice>
  <sic>table</sic>
  <corr resp="Theobald">babbl'd</corr> 
</choice>
of green 
<choice>
  <orig>feelds</orig>
  <reg>fields</reg>
</choice>