: Implement an algorithm that tracks "difficult" verbs and shows them more frequently until they are mastered.
| Infinitivo | Past Simple | Past Participle | Español | | :--- | :--- | :--- | :--- | | Arise | Arose | Arisen | Surgir | | Bear | Bore | Borne/Born | Soportar / Nacer | | Beat | Beat | Beaten | Golpear | | Become | Became | Become | Convertirse | | Bend | Bent | Bent | Doblar | | Bet | Bet | Bet | Apostar | | Bind | Bound | Bound | Atar | | Bite | Bit | Bitten | Morder | | Bleed | Bled | Bled | Sangrar | | Blow | Blew | Blown | Soplar | | Build | Built | Built | Construir | | Burn | Burnt/Burned | Burnt/Burned | Quemar | | Burst | Burst | Burst | Estallar | | Creep | Crept | Crept | Arrastrarse | | Deal | Dealt | Dealt | Tratar / Negociar | | Dig | Dug | Dug | Cavar | | Dream | Dreamt/Dreamed | Dreamt/Dreamed | Soñar | | Dwell | Dwelt | Dwelt | Morar | | Fall | Fell | Fallen | Caer | | Feed | Fed | Fed | Alimentar | | Feel | Felt | Felt | Sentir | | Find | Found | Found | Encontrar | | Flee | Fled | Fled | Huir | | Forbid | Forbade | Forbidden | Prohibir | | Forgive | Forgave | Forgiven | Perdonar | | Forsake | Forsook | Forsaken | Abandonar | | Get | Got | Got/Gotten | Obtener | | Grind | Ground | Ground | Moler | | Hang | Hung | Hung | Colgar | | Hide | Hid | Hidden | Esconder | | Hold | Held | Held | Sostener | | Keep | Kept | Kept | Mantener | | Kneel | Knelt | Knelt | Arrodillarse | | Knit | Knit | Knit | Tejer | | Lay | Laid | Laid | Poner (horizontal) | | Lead | Led | Led | Liderar | | Lean | Leant/Leaned | Leant/Leaned | Apoyarse | | Leap | Leapt/Leaped | Leapt/Leaped | Saltar | | Learn | Learnt/Learned | Learnt/Learned | Aprender | | Leave | Left | Left | Dejar / Irse | | Lend | Lent | Lent | Prestar | | Lie | Lay | Lain | Acostarse / Yacer | | Light | Lit | Lit | Encender | | Lose | Lost | Lost | Perder | | Make | Made | Made | Hacer / Fabricar | | Mean | Meant | Meant | Significar | | Meet | Met | Met | Conocer / Encontrarse | | Pay | Paid | Paid | Pagar | | Prove | Proved | Proved/Proven | Probar | | Quit | Quit | Quit | Abandonar | | Ride | Rode | Ridden | Montar | | Rise | Rose | Risen | Elevarse | | Saw | Sawed | Sawn/Sawed | Serrar | | Say | Said | Said | Decir | | Seek | Sought | Sought | Buscar | | Sell | Sold | Sold | Vender | | Send | Sent | Sent | Enviar | | Sew | Sewed | Sewn/Sewed | Coser | | Shake | Shook | Shaken | Sacudir | | Shave | Shaved | Shaved/Shaven | Afeitar | | Shear | Sheared | Shorn | Esquilar | | Shed | Shed | Shed | Derramar | | Shine | Shone | Shone | Brillar | | Shoot | Shot | Shot | Disparar | | Show | Showed | Shown/Showed | Mostrar | | Shrink | Shrank | Shrunk | Encogerse | | Slay | Slew | Slain | Matar | | Sleep | Slept | Slept | Dormir | | Slide | Slid | Slid | Deslizarse | | Smell | Smelt | Smelt | Oler | | Sow | Sowed | Sown/Sowed | Sembrar | | Speed | Sped | Sped | Acelerar | | Spell | Spelt | Spelt | Deletrear | | Spend | Spent | Spent | Gastar | | Spill | Spilt | Spilt | Derramar | | Spin | Span/Spun | Spun | Girar | | Spread | Spread | Spread | Extender | | Spring | Sprang | Sprung | Saltar / Brotar | | Stand | Stood | Stood | Estar de pie | | Sting | Stung | Stung | Picar | | Stink | Stank | Stunk | Apestar | | Stride | Strode | Stridden | Dar zancadas | | Strike | Struck | Struck/Stricken | Golpear | | String | Strung | Strung | Enhebrar | | Strive | Strove | Striven | Esforzarse | | Swear | Swore | Sworn | Jurar | | Sweep | Swept | Swept | Barrer | | Swell | Swelled | Swollen/Swelled | Hincharse | | Swing | Swung | Swung | Columpiar | | Take | Took | Taken | Tomar | | Tear | Tore | Torn | Rasgar | | Tell | Told | Told | Decir / Contar | | Think | Thought | Thought | Pensar | | Thrive | Throve/Thrived | Thriven/Thrived | Prosperar | | Throw | Threw | Thrown | Lanzar | | Undergo | Underwent | Undergone | Someterse | | Understand | Understood | Understood | Entender | | Undertake | Undertook | Undertaken | Emprender | | Upset | Upset | Upset | Molestar | | Wake | Woke | Woken | Despertar | | Wear | Wore | Worn | Usar (ropa) | | Weave | Wove | Woven | Tejer | | Weep | Wept | Wept | Llorar | | Wet | Wet | Wet | Mojar | | Win | Won | Won | Ganar | | Wind | Wound | Wound | Enrollar / Dar cuerda | | Withdraw | Withdrew | Withdrawn | Retirar | | Wring | Wrung | Wrung | Retorcer | | Write | Wrote | Written | Escribir | lista de verbos irregulares del ingles