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listings provide verb infinitives, coded by colored balls.
Click on the colored ball to hear the infinitive. Also
indicated are stem-changes, irregular YO
form endings, subjunctive stems, and preterite irregularities.
These key bits of information should be sufficient for
any intermediate learner to successfully conjugate any
given tense for a given verb. See what you can do!
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F
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Click
on an icon or word below to hear instructions:
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español
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stem
change |
"yo"
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subj
stem |
¿pretérito? |
¿futuro? |
inglés
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fabricar |
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fabriqu- |
1st
c-qu |
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to
fabricate |
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facilitar |
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facilit- |
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to
facilitate |
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falsificar |
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fasifiqu- |
1st
c-qu |
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to
falsify |
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faltar |
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falt- |
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to
lack, miss, be missing |
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fallar |
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fall- |
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to
fail, miss, be deficient |
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fallecer |
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-zco
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fallezc-
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to
pass away, decease, die, fade away |
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fascinar |
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fascin- |
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to
fascinate, bewitch |
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fastidiar |
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fastidi- |
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to
bug, annoy, bother |
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fatigar |
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fatigu- |
1st
g-gu |
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to
fatigue, wear out, tire out |
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favorecer |
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-zco
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favorezc-
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to
favor, work in favor of, help, aid, support |
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fecundar |
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fecund- |
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to
fecundate, fertilize |
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felicitar |
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felicit- |
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to
congratulate, felicitate |
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fiar |
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-ío |
fí- |
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to
answer for, bail, entrust, confide |
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figurar |
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figur- |
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to
figure, depict, represent |
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fijar |
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fij- |
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to
fix, focus |
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finalizar |
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finalic- |
1st
z-c |
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to
finalize |
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fingir |
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-jo |
finj- |
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to
feign, fake |
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firmar |
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firm- |
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to
sign |
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florecer |
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-zco |
florezc- |
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to
flower, bloom, blossom |
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fluir |
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-yo |
fluy- |
3rd
i-y |
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to
flow (words, liquid) |
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follar |
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foll- |
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to
foliate, grow leaves, blow bellows, tread |
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formar |
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form- |
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to
form |
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formular |
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formul- |
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to
formulate |
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fortalecer |
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-zco
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fortalezc-
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to
fortify, strengthen |
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forzar |
o-ue |
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fuerc- |
1st
z -c |
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to
force |
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fosforecer |
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-zco
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fosforezc-
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to
be luminous, phosphoresce |
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fotografiar |
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-ío |
fotografí- |
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to
photograph, take pictures |
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fracasar |
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fracas- |
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to
fail, be unsuccessful, fall through |
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fracturar |
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fractur- |
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to
fracture |
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fregar |
e-ie
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friegu-
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1st
g-gu |
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to
rub, scrub, scour, wash, mop |
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freír |
e-i
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-ío
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frí-
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3rd
e-i |
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to
fry |
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fruncir |
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-zo
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frunz-
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to
wrinkle, knit (the brow), pucker (lips) |
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frustrar |
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frustr- |
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to
frustrate |
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fumar |
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fum- |
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to
smoke |
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funcionar |
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funcion- |
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to
work, function |
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fundar |
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fund- |
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to
found |
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fusilar |
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fusil- |
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to
shoot |
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To
sound natural when you order food at a taco joint.