Present participle; Past participle - cresting - crested Present - crest - crest - crests - crest - crest - crest Past - crested - crested - crested - crested - crested - crested Future - will crest - will crest - will crest - will crest - will crest - will crest Present conditional - would crest - would crest - would crest - would crest - would crest - would crest Present Perfect - have crested - have crested - has crested - have crested - have crested - have crested Past Perfect - had crested - had crested - had crested - had crested - had crested - had crested Future Perfect - will have crested - will have crested - will have crested - will have crested - will have crested - will have crested Past conditional - would have crested - would have crested - would have crested - would have crested - would have crested - would have crested Imperative - - - crest - - - - - - - -