According to this website, and a certain grammar textbook I own, verbs with the mono-transitive valency pattern take a direct object (and not an indirect object). The textbook does not list a different valency pattern where the verb takes a single indirect object (and no other objects).
But, I can think of the following sentences:
- She talked to him.
- I am listening to the radio.
- I'm rooting for him.
- Are the three examples above actually verbs that take an indirect object? Or, are some of them intransitive verbs, where an adverbial (in this case, as a prepositional phrase) is also included?
- Is it really true that there are no verbs that take only one object, and that object is an indirect object?