Present participle; Past participle - accumulating - accumulated Present - accumulate - accumulate - accumulates - accumulate - accumulate - accumulate Past - accumulated - accumulated - accumulated - accumulated - accumulated - accumulated Future - will accumulate - will accumulate - will accumulate - will accumulate - will accumulate - will accumulate Present conditional - would accumulate - would accumulate - would accumulate - would accumulate - would accumulate - would accumulate Present Perfect - have accumulated - have accumulated - has accumulated - have accumulated - have accumulated - have accumulated Past Perfect - had accumulated - had accumulated - had accumulated - had accumulated - had accumulated - had accumulated Future Perfect - will have accumulated - will have accumulated - will have accumulated - will have accumulated - will have accumulated - will have accumulated Past conditional - would have accumulated - would have accumulated - would have accumulated - would have accumulated - would have accumulated - would have accumulated Imperative - - - accumulate - - - - - - - -