| | singular | plural |
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| 1st person | 2nd person | 3rd person | 1st person | 2nd person | 3rd person |
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| with infinitive preservar |
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| dative | preservarme | preservarte, preservarle | preservarle, preservarse | preservarnos | preservaros, preservarles | preservarles, preservarse |
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| accusative | preservarme | preservarte, preservarlo, preservarla | preservarlo, preservarla, preservarse | preservarnos | preservaros, preservarlos, preservarlas | preservarlos, preservarlas, preservarse |
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| with gerund preservando |
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| dative | preservándome | preservándote, preservándole | preservándole, preservándose | preservándonos | preservándoos, preservándoles | preservándoles, preservándose |
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| accusative | preservándome | preservándote, preservándolo, preservándola | preservándolo, preservándola, preservándose | preservándonos | preservándoos, preservándolos, preservándolas | preservándolos, preservándolas, preservándose |
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| with informal second-person singular imperative preserva |
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| dative | presérvame | presérvate, presérvale | presérvale | presérvanos | presérvaos, presérvales | presérvales |
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| accusative | presérvame | presérvate, presérvalo, presérvala | presérvalo, presérvala | presérvanos | presérvaos, presérvalos, presérvalas | presérvalos, presérvalas |
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| with formal second-person singular imperative preserve |
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| dative | presérveme | presérvete, presérvele | presérvele, presérvese | presérvenos | presérveles | presérveles, presérvese |
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| accusative | presérveme | presérvete, presérvelo, presérvela | presérvelo, presérvela, presérvese | presérvenos | presérvelos, presérvelas | presérvelos, presérvelas, presérvese |
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| with first-person plural imperative preservemos |
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| dative | not used | preservémosle | preservémosle | preservémonos | preservémosles | preservémosles |
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| accusative | not used | preservémoslo, preservémosla | preservémoslo, preservémosla | preservémonos | preservémoslos, preservémoslas | preservémoslos, preservémoslas |
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| with informal second-person plural imperative preservad |
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| dative | preservadme | preservadle | preservadle | preservadnos | preservaos, preservadles | preservadles |
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| accusative | preservadme | preservadlo, preservadla | preservadlo, preservadla | preservadnos | preservaos, preservadlos, preservadlas | preservadlos, preservadlas |
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| with formal second-person plural imperative preserven |
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| dative | presérvenme | presérvente, presérvenle | presérvenle, presérvense | presérvenos | presérvenles | presérvenles, presérvense |
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| accusative | presérvenme | presérvente, presérvenlo, presérvenla | presérvenlo, presérvenla, presérvense | presérvenos | presérvenlos, presérvenlas | presérvenlos, presérvenlas, presérvense |
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