Present participle; Past participle - proofreading - proofread Present - proofread - proofread - proofreads - proofread - proofread - proofread Past - proofread - proofread - proofread - proofread - proofread - proofread Future - will proofread - will proofread - will proofread - will proofread - will proofread - will proofread Present conditional - would proofread - would proofread - would proofread - would proofread - would proofread - would proofread Present Perfect - have proofread - have proofread - has proofread - have proofread - have proofread - have proofread Past Perfect - had proofread - had proofread - had proofread - had proofread - had proofread - had proofread Future Perfect - will have proofread - will have proofread - will have proofread - will have proofread - will have proofread - will have proofread Past conditional - would have proofread - would have proofread - would have proofread - would have proofread - would have proofread - would have proofread Imperative - - - proofread - - - - - - - -