Present participle; Past participle - guessing - guessed Present - guess - guess - guesses - guess - guess - guess Past - guessed - guessed - guessed - guessed - guessed - guessed Future - will guess - will guess - will guess - will guess - will guess - will guess Present conditional - would guess - would guess - would guess - would guess - would guess - would guess Present Perfect - have guessed - have guessed - has guessed - have guessed - have guessed - have guessed Past Perfect - had guessed - had guessed - had guessed - had guessed - had guessed - had guessed Future Perfect - will have guessed - will have guessed - will have guessed - will have guessed - will have guessed - will have guessed Past conditional - would have guessed - would have guessed - would have guessed - would have guessed - would have guessed - would have guessed Imperative - - - guess - - - - - - - -