3rd and 4th principal parts

amo, amare - to love

amavi, amatum

cogito, cogitare - to think ponder, consider, plan

cogitavi, cogitatum

conservo, conservare - to preserve, conserve, maintain

conservavi, conservatum

debeo, debere - to owe, ought, must, should

debui, debitum

do, dare - to give, to offer

dedi, datum

erro, errare - to make a mistake, to wander

erravi, erratum

laudo, laudare - to praise

laudavi, laudatum

moneo, monere - to warn, advise, remind

monui, monitum

servo, servare - to preserve, save, keep

servavi, servatum

terreo, terrere - to frighten, terrify

terrui, territum

valeo, valere - to be strong, have power, to be well

valui, valiturum

video, videre - to see observe, understand

vidi, visum

voco, vocare - to call, summon

vocavi, vocatum

habeo, habere - to have, hold, possess; consider, regard

habui, habitem

satio, satiare - to satisfy, sate

satiavi, satiatum

iuvo, iuvare - to help, aid, assist; to please

iuvi, iutum

sum, esse - to be

fui, futurum

ceno, cenare - to dine

cenavi, cenatum

culpo, culpare - to blame, censure

culpavi, culpatum

remaneo, remanere - to remain, stay, stay behind, abide, continue

remansi, remansum

supero, superare - to be above

superavi, superatum

possum, posse - to be able to

potui

tolero, tolerare - to bear, endure

toleravi, toleratum

neco, necare - to murder, kill

necavi, necatum

ago, agere - to drive, lead, do act, pass, spend

egi, actum

demonstro, demonstrare - to point out, show, demonstrate

demonstravi, demonstratum

disco, discere - to learn

didici

doceo, docere - to teach

docui, doctum

duco, ducere - to lead

duxi, ductum

gero, gerere - to carry, carry on, conduct, wage

gessi, gestum

scribo, scribere - to write

scripsi, scriptum

traho, trahere - to draw, drag

traxi, tractum

vinco, vincere - to conquer, overcome

vici, victum

audio, audire - to hear, listen to

audivi, auditum

capio, capere - to take, capture, seize

cepi, captum

dico, dicere - to say, tell, speak, name, call

dixi, dictum

facio, facere - to make, to accomplish

feci, factum

fugio, fugere - to flee, escape

fugi, fugiturum

invenio, invenire - to find, to come upon

inveni, inventum

venio, venire - to come

veni, ventum

vivo, vivere - to live

vixi, victum

intellego, intellegere - to understand

intellexi, intellectum

mitto, mittere - to send, let go

misi, missum

sentio, sentire - to feel, perceive, think, experience

sensi, sensum

amitto, amittere - to lose, let go

amisi, amissum

cado, cadere - to fall

cecidi, casurum

creo, creare - to create

creavi, creatum