Present participle; Past participle - quaking - quaked Present - quake - quake - quakes - quake - quake - quake Past - quaked - quaked - quaked - quaked - quaked - quaked Future - will quake - will quake - will quake - will quake - will quake - will quake Present conditional - would quake - would quake - would quake - would quake - would quake - would quake Present Perfect - have quaked - have quaked - has quaked - have quaked - have quaked - have quaked Past Perfect - had quaked - had quaked - had quaked - had quaked - had quaked - had quaked Future Perfect - will have quaked - will have quaked - will have quaked - will have quaked - will have quaked - will have quaked Past conditional - would have quaked - would have quaked - would have quaked - would have quaked - would have quaked - would have quaked Imperative - - - quake - - - - - - - -