Forming the Subjunctives

From Saint Louis University

Grammar Helps Index

 

  

Tenses

Rules for Forming the Actives

Actives

Passives

Rules for Forming the Passives

 

 

 

 

 

Present

  • Take the typical present indicative active root.

  •  
  • Change stem to -E-/-EA-/-A-/-IA-, depending on the conjugation.

  •  
  • Add the regular active personal endings (-m, -s, -t, -mus, -tis, -nt).

I: laudem

II: moneam

III: dûcam

IV: audiam

III-io: capiam

lauder

monear

dûcar

audiar

capiar

  • Change the active personal endings to the passive personal endings
    (-r, -ris/-re, -tur, -mur, -mini, -ntur).

 

 

 

 

 

Imperfect

  • Take the present active infinitive (second part fo the verb).

  •  
  • Add the regular active personal endings (-m, -s, -t, -mus, -tis, -nt).

I: laudârem

II: monêrem

III: dûcerem

IV: audîrem

III-io: caperem

laudârer

monêrer

dûcerer

audîrer

caperer

  • Change the active personal endings to the passive personal endings
    (-r, -ris/ -re, -tur, -mur, -mini, -ntur).

 

 

 

 

 

Perfect

  • Take the perfect stem from the third part of the verb.

  •  
  • Add -ERI-.

  •  
  • Add the regular active personal ending (-m, -s, -t, -mus, -tis, -nt).

I: laudaverim

II: monuerim

III: dûxerim

IV: audîverim

III-io: cêperim

laudâtus sim

monitus sim

ductus sim

audîtus sim

captus sim

  • Use the past participle, the fourth part of the verb.

  •  
  • Add the present subjunctive of sum.
    ( = sim, etc.).

 

 

 

 

 

Pluperfect

  • Take the perfect active infinitive (ending in -isse).

  •  
  • Add the regular active personal endings (-m, -s, -t, -mus, -tis, -nt).

I: laudavissem

II: monuissem

III: dûxissem

IV: audîvissem

III-io: cêpissem

laudâtus essem

monitus essem

ductus essem

audîtus essem

captus essem

  • Use the past participle, the fourth part of the verb.

  •  
  • Add the imperfect subjunctive of sum
    ( = essem, etc.).

 

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