Type/token ration question

[E C Kelty]

Hello,
I have a question about measuring type/token ratios of linguistic
forms using CLAN.  I have transcripts of mother/child speech, and I am
trying to calculate MLUs as well as frequencies of wh-questions,
auxiliary verbs, and a few other things.  I am wondering if there is a
way to run these commands so that, for example, "did" and "didn't" are
counted as two different tokens of the same word type.

Here is an output that I got when searching for auxiliary verbs:

freq +t*MOT +t%mor +saux|* A.Z.visit3.mor.pst.cex
Thu May 28 15:12:26 2009
freq (18-Jul-2008) is conducting analyses on:
  ONLY speaker main tiers matching: *MOT;
	and those speakers' ONLY dependent tiers matching: %MOR;
****************************************
>From file <A.Z.visit3.mor.pst.cex>
  2 aux|be&PRES
  4 aux|can
 10 aux|do
  8 aux|do&3S
  1 aux|do&3S~neg|not
  4 aux|do&PAST
  3 aux|do~neg|not
------------------------------
    7  Total number of different word types used
   32  Total number of words (tokens)
0.219  Type/Token ratio

Could I write a command that would count all those examples of "do" as
the same type, thus giving me an overall type count of 3 and token
count of 32?

Any information or direction towards other places where I could learn
about this would be appreciated.

Thanks very much,
Emma Kelty
emma.kelty at uconn.edu

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