Present participle; Past participle - crouching - crouched Present - crouch - crouch - crouches - crouch - crouch - crouch Past - crouched - crouched - crouched - crouched - crouched - crouched Future - will crouch - will crouch - will crouch - will crouch - will crouch - will crouch Present conditional - would crouch - would crouch - would crouch - would crouch - would crouch - would crouch Present Perfect - have crouched - have crouched - has crouched - have crouched - have crouched - have crouched Past Perfect - had crouched - had crouched - had crouched - had crouched - had crouched - had crouched Future Perfect - will have crouched - will have crouched - will have crouched - will have crouched - will have crouched - will have crouched Past conditional - would have crouched - would have crouched - would have crouched - would have crouched - would have crouched - would have crouched Imperative - - - crouch - - - - - - - -