Present participle; Past participle - surrogating - surrogated Present - surrogate - surrogate - surrogates - surrogate - surrogate - surrogate Past - surrogated - surrogated - surrogated - surrogated - surrogated - surrogated Future - will surrogate - will surrogate - will surrogate - will surrogate - will surrogate - will surrogate Present conditional - would surrogate - would surrogate - would surrogate - would surrogate - would surrogate - would surrogate Present Perfect - have surrogated - have surrogated - has surrogated - have surrogated - have surrogated - have surrogated Past Perfect - had surrogated - had surrogated - had surrogated - had surrogated - had surrogated - had surrogated Future Perfect - will have surrogated - will have surrogated - will have surrogated - will have surrogated - will have surrogated - will have surrogated Past conditional - would have surrogated - would have surrogated - would have surrogated - would have surrogated - would have surrogated - would have surrogated Imperative - - - surrogate - - - - - - - -