Present participle; Past participle - chattering - chattered Present - chatter - chatter - chatters - chatter - chatter - chatter Past - chattered - chattered - chattered - chattered - chattered - chattered Future - will chatter - will chatter - will chatter - will chatter - will chatter - will chatter Present conditional - would chatter - would chatter - would chatter - would chatter - would chatter - would chatter Present Perfect - have chattered - have chattered - has chattered - have chattered - have chattered - have chattered Past Perfect - had chattered - had chattered - had chattered - had chattered - had chattered - had chattered Future Perfect - will have chattered - will have chattered - will have chattered - will have chattered - will have chattered - will have chattered Past conditional - would have chattered - would have chattered - would have chattered - would have chattered - would have chattered - would have chattered Imperative - - - chatter - - - - - - - -