Acabar: to finish

Acabando: finishing

Acabado: finished

Acabar de + inf.: to have just + past participle

Acabar por: to end by

Andar: to walk

Andando: walking

Andado: walked

A todo andar: at full speed

Desandar: to retrace one's steps

Aprender: to learn

Aprendido: learned

Aprendiendo: learning

Aprender a + inf: to learn + infinitive

Aprender con: to study with

Caer: to fall

Cayendo: falling

Caído: fell

Caer con: to come down with

Caer de espaldas: to fall backwards

Cantar: to sing

Cantando: singing

Cantado: sang

Un canto: song

Cantador: singer

Comenzar: to begin or to start

Comenzando: beginning

Comenzado: began

Comenzar por + inf.: to begin by + present participle

El comienzo: beginning

Comer: to eat

Comiendo: eating

Comido: ate

Ganar de comer: to earn a living

Comer con muchas ganas: to eat heartily

Comprar: to buy

Comprando: buying

Comprado: bought

Hacer compras: to shop

Ir de compras: to go shopping

Conducir: to drive

Conduciendo: driving

Conducido: drove

Conducir de prisa: to drive fast

El conductor: the driver

Conocer: to know someone

Conociendo: knowing

Conocido: knew

Conocido: known

Un conocido: an acquaintance

Construir: to construct

Construyendo: constructing

Construido: constructed

El constructor: the builder

Reconstruir: to reconstruct or to rebuild

Contar: to count

Contando: counting

Contado: counted

Descontar: to discount

Contar con: to count on or to depend on

Creer: to believe

Creyendo: believing

Creído: believed

El credo: creed

Descreer: to disbelieve

Dar: to give

Dando: giving

Dado: gave

Darse: to give in

Dar la hora: to strike the hour

Deber: to owe

Debiendo: owing

Debido: owed

El deber: duty

La deuda: debt

Decir: to say

Diciendo: saying

Dicho: said

Un decir: a familiar saying

Dicho y hecho: no sooner said than done

Dormir: to sleep

Durmiendo: sleeping

Dormido: slept

Dormir a pierna suelta: to sleep soundly

Dormir la mona: to sleep off a hangover

Entrar: to enter

Entrando: entering

Entrado: entered

La entrada: the entrance

Entrar en: to enter or to go in

Escribir: to write

Escribiendo: writing

Escrito: wrote

La escritura: writing

Por escrito: in writing

Estar: to be (location)

Estando: being

Estado: was

Etar a sus anchas: to be comfortable

Estar mal: to be ill

Estudiar: to study

Estudiando: studying

Estudiado: studied

Un estudiante: a student

Un estudioso: a scholar

Gustar: to like

Gustado: liked

Gustando: liking

El gusto: the taste, pleasure

Dar Gusto: to please

Haber: to have (helping verb)

Habiendo: having

Habido: had

Hay: there is/there are

Haya: Subjuntivo

Hablar: to talk, to speak

Hablando: talking, speaking

Hablado: spoke, talked

Hablar a gritos: to shout

Hablador: talkative

Hacer: to do or to make

Haciendo: doing or making

Hecho: did or made

Dicho y hecho: no sooner said than done

Haga: subjuntivo

Ir: to go

Yendo: going

Ido: went

Irse: to go away

Ir de compras: to go shopping

Leer: to read

Leyendo: reading

Leído: read

La lectura: reading
Lector: reader

Llamar: to call, to name

Llamando: naming, calling

Llamado: named, called

Llamar al doctor: to call the doctor

Llamar por los nombres: to call the roll

Llevar: to wear

Llevando: wearing

Llevado: wore

Llevar puesto: to wear

Llevar a cabo: to carry through

Oír: to hear

Oyendo: hearing

Oído heard

La oída: hearing

Dar oíos: to lend an ear

Pagar: to pay

Pagando: paying

Pagado: paid

La paga: payment

 Pagar al contado: to pay in cash

Pensar: to think

Pensando: thinking

Pensado: thought

Pensar en: to think of/about

Pensativo/a: thinker

Perder: to lose

Perdiendo: losing

Perdido: lost

Un perdedor: loser

Perder el juicio: to go mad

Poder: to be able to

Pudiendo: being able to do something

Podido: having been able to do something

El poder: power

No se puede: It can't be done

Poner: to put or to place

Poniendo: putting or placing

Puesto: put or placed

Poner fin a: to put a stop to

Poner la mesa: to set the table

Quedarse: to remain or to stay

Quedándose: staying or remaining

Quedado: stayed or remained

La quedada: residence

Quedar: to remain or to be left 

Querer: to want

Queriendo: wanting

Querido: wanted

Querido amigo: dear friend

Querer decir: to mean

Saber: to know

Sabiendo: knowing

Sabido: knew

Sabio: wise

El saber: knowledge

Salir: to leave

Saliendo: leaving

Salido: left

La salida: exit

Salir de compras: to go shopping

Sentir: to feel sorry, to regret

Sintiendo: regretting, feeling sorry

Sentido: felt sorry, regret

El sentimiento: feeling

El sentido: sense, meaning, feeling

Ser: to be (description)
Siendo: being

Sido: was

Debe de ser: it is probably

Es hora de: it is time to

Tener: to have

Teniendo: having

Tenido: had

Tener sed: to be thirsty

Retener: to retain

Tomar: to take or to have (something to drink/eat)

Tomando: taking

Tomado: took or had

Tomar el sol: to take a sunbath

Tomar pare en: to take part in

Traer: to bring

Trayendo: bringing

Traído: brought

Traer y llevar: to spread rumors

Contrear: to contract

Venir: to come

Veniendo: coming

Venido: came

Venir a las manos: to come to blows

Venir a buscar: to come for, to get

Ver: to see

Viendo: seeing

Visto: saw

Ver es creer: seeing is believing

La vista: the sight

Vivir: to live

Viviendo: living

Vivido: lived

Vivir de: to live on

La vida: life

Volver: to go back, to return

Volviendo: returning, going back

Vuelto: returned, went back

Una vuelta: a turn

Revolver: to revolve

Mirar: to look, to watch

Mirando: looking, watching

Mirado: looked, watched

Mirar la televisión: to watch television

Mirar por: to look after