Present participle; Past participle - peaking - peaked Present - peak - peak - peaks - peak - peak - peak Past - peaked - peaked - peaked - peaked - peaked - peaked Future - will peak - will peak - will peak - will peak - will peak - will peak Present conditional - would peak - would peak - would peak - would peak - would peak - would peak Present Perfect - have peaked - have peaked - has peaked - have peaked - have peaked - have peaked Past Perfect - had peaked - had peaked - had peaked - had peaked - had peaked - had peaked Future Perfect - will have peaked - will have peaked - will have peaked - will have peaked - will have peaked - will have peaked Past conditional - would have peaked - would have peaked - would have peaked - would have peaked - would have peaked - would have peaked Imperative - - - peak - - - - - - - -