REVIEW OF LATIN VERB FORMS (long vowels in caps)
 
Conjugations: 1 (A) 2 (E) 3 (e>i/u) 3-io 4 (I) sum
Stems:            
present: 2nd PP - re/rI amA- tenE- age- cape- audI- es-/su-
perfect: 3rd PP - I amAv- tenu- Eg- cEp- audIv- fu-
participle: 4th PP - us amAt- tent- act- capt- audIt- fut-
             
Personal endings: 1S 2S 3S 1P 2P 3P
active -O/-m -s -t -mus -tis -nt
passive -r -ris/-re -tur -mur -minI -ntur
perfect active -I -istI -it -imus -istis -Erunt/-Ere
 

Indicative, present system:
 
present present stem + ending sum es est etc.
imperfect present stem + bA (3 -EbA, 3io/4 -iEbA) + ending eram erAs etc.
future 1&2 present stem + bi + ending;  

1S =-bO/-bor; 3P = -bunt

erO, eris ... erunt
future 3&4 3&4: root + (i) + E + ending; 1S -am/-ar  
 

Indicative, perfect system active: passive:

 
 
perfect: perfect stem + perfect active ending PPP + sum etc.
pluperfect: perfect stem + erA + ending PPP + eram etc.
future perfect: perfect stem + eri + ending PPP + erO etc.
 

Subjunctive, present system:
 
present: root + We hear a liar friar + ending sim sIs sit etc.
imperfect: 2nd PP (-rE) + ending essem essEs etc.
 

Subjunctive, perfect system active: passive:

 
 
perfect: perfect stem + erI + active ending PPP + sim etc.
pluperfect: perfect stem + issE + active ending PPP + essem etc.
 

 

Imperative:
 
singular present stem -A -E -e -e -I es
plural present stem + te -Ate -Ete -ite -ite -Ite este
 

passive/deponent:
 
singular -Are -Ere -ere -ere -Ire  
plural -AminI -EminI -iminI -iminI -IminI  

Infinitives:
 
present active: 2nd PP -Are -Ere -ere -ere -Ire esse
present passive -ArI -ErI -I -I -IrI  
 
 
perfect active perfect stem + -isse
perfect passive PPP + esse
 
 
future active FAP + esse
future passive supine acc. + IrI
 

Participles:
 
PAP (present) present stem + nt + 3rd decl. i-stem endings (nom.-ns) -sEns, -sentis
PPP (perfect) 4th PP with 1st/2nd decl. endings  
FAP (future) participle stem + Ur + 1st/2nd decl. endings futUrus
FPP (gerundive) present stem + nd + 1st/2nd decl. endings (3io/4 = -iend-)  
 

Gerund:
 
present stem + nd ( 3io/4 = -iend-) + case endings:                                       -I (gen), -O (dat),  -um (acc),  -O (abl)
 
Supine:
 
4th principal part (PPP) with ending  -um (acc) or  -U (abl)