Adds the infinitive to tag <TO> to all to tokens based on a regex match,
Arguments
- x
A character of tokenized strings with _ST tags.
Value
A character vector with infinitive to tag <TO> added.
Details
Adds the infinitive to tag <TO> to all tokens of the form "to_".
The function should be followed by the dtag_to_prep() function to distinguish
to when used as a preposition.