Present participle; Past participle - spawning - spawned Present - spawn - spawn - spawns - spawn - spawn - spawn Past - spawned - spawned - spawned - spawned - spawned - spawned Future - will spawn - will spawn - will spawn - will spawn - will spawn - will spawn Present conditional - would spawn - would spawn - would spawn - would spawn - would spawn - would spawn Present Perfect - have spawned - have spawned - has spawned - have spawned - have spawned - have spawned Past Perfect - had spawned - had spawned - had spawned - had spawned - had spawned - had spawned Future Perfect - will have spawned - will have spawned - will have spawned - will have spawned - will have spawned - will have spawned Past conditional - would have spawned - would have spawned - would have spawned - would have spawned - would have spawned - would have spawned Imperative - - - spawn - - - - - - - -