Usage:Dont fear this is only an imaginery picture of poltergeist.
Usage:This book contains most of the chapters on specter.
Usage:That spooky old man is really terrifying.
Usage:The former rulers of the state designed certain policies.
Usage:His paintings were dipicting retrospective era.
The legislation was made retrospective.
Usage:Tom and Dick were both heroes but only the former is remembered today
Usage:A priest was called to exorcise the effect of ghost in the house.
Usage:I have eaten" is the present perfect tense of"eat"