[Source:] The following description of predicates comes from
The Longman Handbook for Writers and Readers (examples our own):
With an intransitive verb,
complementsare included in the predicate.
(The glacier is melting.)
With a transitive verb, objects and object complements are said to be part of the predicate.
(The slow moving glacier wiped out an entire forest. It gave the villagers a lot of problems.)
With a linking verb, the subject is connected to a subject complement.
(The mayor doesn't feel good.)
By definition, intransitive verbs lack a direct object, but because indirect object => direct object, they lack an indirect object too. So what does the above mean by