Present participle; Past participle - cogging - cogged Present - cog - cog - cogs - cog - cog - cog Past - cogged - cogged - cogged - cogged - cogged - cogged Future - will cog - will cog - will cog - will cog - will cog - will cog Present conditional - would cog - would cog - would cog - would cog - would cog - would cog Present Perfect - have cogged - have cogged - has cogged - have cogged - have cogged - have cogged Past Perfect - had cogged - had cogged - had cogged - had cogged - had cogged - had cogged Future Perfect - will have cogged - will have cogged - will have cogged - will have cogged - will have cogged - will have cogged Past conditional - would have cogged - would have cogged - would have cogged - would have cogged - would have cogged - would have cogged Imperative - - - cog - - - - - - - -