but that rejects sentences with the wrong number of complements for the verb e.g. Uther sleeps Cornwall
*Modify grammar to parse "Uther wants to sleep". Hint: You need to produce the following syntactic structure.
S ________|_________ NP VP | _______|_______ n VP S Uther | ___|____ v to sleep | wants
Apart from the entry for "want", exactly one more grammar rule is required
You may wish to consult this
Patr Reference Manual