Present participle; Past participle - overflowing - overflowed Present - overflow - overflow - overflows - overflow - overflow - overflow Past - overflowed - overflowed - overflowed - overflowed - overflowed - overflowed Future - will overflow - will overflow - will overflow - will overflow - will overflow - will overflow Present conditional - would overflow - would overflow - would overflow - would overflow - would overflow - would overflow Present Perfect - have overflowed - have overflowed - has overflowed - have overflowed - have overflowed - have overflowed Past Perfect - had overflowed - had overflowed - had overflowed - had overflowed - had overflowed - had overflowed Future Perfect - will have overflowed - will have overflowed - will have overflowed - will have overflowed - will have overflowed - will have overflowed Past conditional - would have overflowed - would have overflowed - would have overflowed - would have overflowed - would have overflowed - would have overflowed Imperative - - - overflow - - - - - - - -