Present participle; Past participle - looping - looped Present - loop - loop - loops - loop - loop - loop Past - looped - looped - looped - looped - looped - looped Future - will loop - will loop - will loop - will loop - will loop - will loop Present conditional - would loop - would loop - would loop - would loop - would loop - would loop Present Perfect - have looped - have looped - has looped - have looped - have looped - have looped Past Perfect - had looped - had looped - had looped - had looped - had looped - had looped Future Perfect - will have looped - will have looped - will have looped - will have looped - will have looped - will have looped Past conditional - would have looped - would have looped - would have looped - would have looped - would have looped - would have looped Imperative - - - loop - - - - - - - -