Word senses

you are correct about two of the problems.  there is indeed a
dictionary entry for times which i overlooked:

0000 multiplied by: 3 times (usu. written X) 39

this definitely helps in tagging things like "two and a half times".
it doesn't help with "one time".

	  Is Longman's Dictionary of Common English an MRD?

machine readable, yes (we have the printer's tape from which it was
printed).  machine tractable, mostly no (it is impossible to parse with
complete accuracy).

i wish somebody else would tag those sentences so that we can compare
the results.  in fact, i wish lots of somebody's would tag those