Present participle; Past participle - high-jacking - high-jacked Present - high-jack - high-jack - high-jacks - high-jack - high-jack - high-jack Past - high-jacked - high-jacked - high-jacked - high-jacked - high-jacked - high-jacked Future - will high-jack - will high-jack - will high-jack - will high-jack - will high-jack - will high-jack Present conditional - would high-jack - would high-jack - would high-jack - would high-jack - would high-jack - would high-jack Present Perfect - have high-jacked - have high-jacked - has high-jacked - have high-jacked - have high-jacked - have high-jacked Past Perfect - had high-jacked - had high-jacked - had high-jacked - had high-jacked - had high-jacked - had high-jacked Future Perfect - will have high-jacked - will have high-jacked - will have high-jacked - will have high-jacked - will have high-jacked - will have high-jacked Past conditional - would have high-jacked - would have high-jacked - would have high-jacked - would have high-jacked - would have high-jacked - would have high-jacked Imperative - - - high-jack - - - - - - - -