Present participle; Past participle - sphering - sphered Present - sphere - sphere - spheres - sphere - sphere - sphere Past - sphered - sphered - sphered - sphered - sphered - sphered Future - will sphere - will sphere - will sphere - will sphere - will sphere - will sphere Present conditional - would sphere - would sphere - would sphere - would sphere - would sphere - would sphere Present Perfect - have sphered - have sphered - has sphered - have sphered - have sphered - have sphered Past Perfect - had sphered - had sphered - had sphered - had sphered - had sphered - had sphered Future Perfect - will have sphered - will have sphered - will have sphered - will have sphered - will have sphered - will have sphered Past conditional - would have sphered - would have sphered - would have sphered - would have sphered - would have sphered - would have sphered Imperative - - - sphere - - - - - - - -