Present participle; Past participle - parenthesizing - parenthesized Present - parenthesize - parenthesize - parenthesizes - parenthesize - parenthesize - parenthesize Past - parenthesized - parenthesized - parenthesized - parenthesized - parenthesized - parenthesized Future - will parenthesize - will parenthesize - will parenthesize - will parenthesize - will parenthesize - will parenthesize Present conditional - would parenthesize - would parenthesize - would parenthesize - would parenthesize - would parenthesize - would parenthesize Present Perfect - have parenthesized - have parenthesized - has parenthesized - have parenthesized - have parenthesized - have parenthesized Past Perfect - had parenthesized - had parenthesized - had parenthesized - had parenthesized - had parenthesized - had parenthesized Future Perfect - will have parenthesized - will have parenthesized - will have parenthesized - will have parenthesized - will have parenthesized - will have parenthesized Past conditional - would have parenthesized - would have parenthesized - would have parenthesized - would have parenthesized - would have parenthesized - would have parenthesized Imperative - - - parenthesize - - - - - - - -