Present participle; Past participle - stridulating - stridulated Present - stridulate - stridulate - stridulates - stridulate - stridulate - stridulate Past - stridulated - stridulated - stridulated - stridulated - stridulated - stridulated Future - will stridulate - will stridulate - will stridulate - will stridulate - will stridulate - will stridulate Present conditional - would stridulate - would stridulate - would stridulate - would stridulate - would stridulate - would stridulate Present Perfect - have stridulated - have stridulated - has stridulated - have stridulated - have stridulated - have stridulated Past Perfect - had stridulated - had stridulated - had stridulated - had stridulated - had stridulated - had stridulated Future Perfect - will have stridulated - will have stridulated - will have stridulated - will have stridulated - will have stridulated - will have stridulated Past conditional - would have stridulated - would have stridulated - would have stridulated - would have stridulated - would have stridulated - would have stridulated Imperative - - - stridulate - - - - - - - -