Present participle; Past participle - woofing - woofed Present - woof - woof - woofs - woof - woof - woof Past - woofed - woofed - woofed - woofed - woofed - woofed Future - will woof - will woof - will woof - will woof - will woof - will woof Present conditional - would woof - would woof - would woof - would woof - would woof - would woof Present Perfect - have woofed - have woofed - has woofed - have woofed - have woofed - have woofed Past Perfect - had woofed - had woofed - had woofed - had woofed - had woofed - had woofed Future Perfect - will have woofed - will have woofed - will have woofed - will have woofed - will have woofed - will have woofed Past conditional - would have woofed - would have woofed - would have woofed - would have woofed - would have woofed - would have woofed Imperative - - - woof - - - - - - - -