Present participle; Past participle - chewing - chewed Present - chew - chew - chews - chew - chew - chew Past - chewed - chewed - chewed - chewed - chewed - chewed Future - will chew - will chew - will chew - will chew - will chew - will chew Present conditional - would chew - would chew - would chew - would chew - would chew - would chew Present Perfect - have chewed - have chewed - has chewed - have chewed - have chewed - have chewed Past Perfect - had chewed - had chewed - had chewed - had chewed - had chewed - had chewed Future Perfect - will have chewed - will have chewed - will have chewed - will have chewed - will have chewed - will have chewed Past conditional - would have chewed - would have chewed - would have chewed - would have chewed - would have chewed - would have chewed Imperative - - - chew - - - - - - - -