Present participle; Past participle - speculating - speculated Present - speculate - speculate - speculates - speculate - speculate - speculate Past - speculated - speculated - speculated - speculated - speculated - speculated Future - will speculate - will speculate - will speculate - will speculate - will speculate - will speculate Present conditional - would speculate - would speculate - would speculate - would speculate - would speculate - would speculate Present Perfect - have speculated - have speculated - has speculated - have speculated - have speculated - have speculated Past Perfect - had speculated - had speculated - had speculated - had speculated - had speculated - had speculated Future Perfect - will have speculated - will have speculated - will have speculated - will have speculated - will have speculated - will have speculated Past conditional - would have speculated - would have speculated - would have speculated - would have speculated - would have speculated - would have speculated Imperative - - - speculate - - - - - - - -