Introductory it as Subject
2.2 it V to n to-infThe verb is followed by a prepositional phrase beginning with to, and a to-infinitive clause. The prepositional phrase always indicates a human being. The prepositional phrase is the prepositional Object.
|it||Verb group||to||noun group||to-infinitive clause|
|It||appeals||to||bankers||to keep supporting a strong pound.|
|It||hadn't occurred||to||me||to bring my passport.|
There are only three verbs with this pattern.
appeal fall occur
It fell to Malcolm to care for her, but he had less and less time.
It occurred to me to wonder how other animals that live in highly-organised societies, like human beings, cope with their diseases.