Present participle; Past participle - sleeping - slept Present - sleep - sleep - sleeps - sleep - sleep - sleep Past - slept - slept - slept - slept - slept - slept Future - will sleep - will sleep - will sleep - will sleep - will sleep - will sleep Present conditional - would sleep - would sleep - would sleep - would sleep - would sleep - would sleep Present Perfect - have slept - have slept - has slept - have slept - have slept - have slept Past Perfect - had slept - had slept - had slept - had slept - had slept - had slept Future Perfect - will have slept - will have slept - will have slept - will have slept - will have slept - will have slept Past conditional - would have slept - would have slept - would have slept - would have slept - would have slept - would have slept Imperative - - - sleep - - - - - - - -