Present participle; Past participle - invoking - invoked Present - invoke - invoke - invokes - invoke - invoke - invoke Past - invoked - invoked - invoked - invoked - invoked - invoked Future - will invoke - will invoke - will invoke - will invoke - will invoke - will invoke Present conditional - would invoke - would invoke - would invoke - would invoke - would invoke - would invoke Present Perfect - have invoked - have invoked - has invoked - have invoked - have invoked - have invoked Past Perfect - had invoked - had invoked - had invoked - had invoked - had invoked - had invoked Future Perfect - will have invoked - will have invoked - will have invoked - will have invoked - will have invoked - will have invoked Past conditional - would have invoked - would have invoked - would have invoked - would have invoked - would have invoked - would have invoked Imperative - - - invoke - - - - - - - -