it v-link ADJ to-inf
Adjectives with this pattern belong to the following meaning groups:The 'accurate' and 'illogical' groupThe 'easy' and 'difficult' groupThe 'selfish' and 'dangerous' groupThe 'exciting' and 'safe' groupThe 'surprising' and 'interesting' groupThe 'important' groupThe 'legal' groupThe 'funny' groupThe 'enough' group
it v-link ADJ to-infThe adjective group follows introductory it and a link verb, and is followed by a to-infinitive clause.
|it||verb group||Adjective group||to-infinitive clause|
|It||is||easy||to see what he means.|
|It||is||essential||to pay in advance.|
|It||'s||hard||to believe he just forgot where he was.|