Present participle; Past participle - quilling - quilled Present - quill - quill - quills - quill - quill - quill Past - quilled - quilled - quilled - quilled - quilled - quilled Future - will quill - will quill - will quill - will quill - will quill - will quill Present conditional - would quill - would quill - would quill - would quill - would quill - would quill Present Perfect - have quilled - have quilled - has quilled - have quilled - have quilled - have quilled Past Perfect - had quilled - had quilled - had quilled - had quilled - had quilled - had quilled Future Perfect - will have quilled - will have quilled - will have quilled - will have quilled - will have quilled - will have quilled Past conditional - would have quilled - would have quilled - would have quilled - would have quilled - would have quilled - would have quilled Imperative - - - quill - - - - - - - -