it v-link N to-inf
Nouns with this pattern belong to the following meaning groups:The 'folly' groupThe 'good practice' groupThe 'fun' group
it v-link N to-infThe noun follows introductory it and a link verb (usually be), and is followed by a to-infinitive clause.
|it||link verb||Noun||to-infinitive clause|
|It||was||madness||to send us here.|