it v-link ADJ of n that
it v-link ADJ of n thatThe adjective group follows introductory it and a link verb, and is followed by a prepositional phrase beginning with of and a that-clause.
|it||link verb||Adjective group||of||noun group||that-clause|
|It||was||typical||of||Livy||that she had telephoned.|
The adjectives with this pattern indicate that an action or situation is typical of someone.
It was characteristic of her that she always preferred to draw on the original writings of her chosen subjects rather than those of critics.