Present participle; Past participle - penetrating - penetrated Present - penetrate - penetrate - penetrates - penetrate - penetrate - penetrate Past - penetrated - penetrated - penetrated - penetrated - penetrated - penetrated Future - will penetrate - will penetrate - will penetrate - will penetrate - will penetrate - will penetrate Present conditional - would penetrate - would penetrate - would penetrate - would penetrate - would penetrate - would penetrate Present Perfect - have penetrated - have penetrated - has penetrated - have penetrated - have penetrated - have penetrated Past Perfect - had penetrated - had penetrated - had penetrated - had penetrated - had penetrated - had penetrated Future Perfect - will have penetrated - will have penetrated - will have penetrated - will have penetrated - will have penetrated - will have penetrated Past conditional - would have penetrated - would have penetrated - would have penetrated - would have penetrated - would have penetrated - would have penetrated Imperative - - - penetrate - - - - - - - -