Introductory it as Subject
Verbs with this pattern belong to the following meaning groups:The 'emerge' groupThe 'appear' groupThe 'hurt' group
1.1 it V thatThe verb is followed by a that-clause.
|It||emerged||that smoking reduces life-expectancy.|
|It||seemed||that he would keep his word.|
|It||transpired||that the gunman had been released from jail.|