Notes, summaries, assignments, exams, and problems for Spanish

English Grammar: Verb Tenses

Present Simple: Habits and Routines

• Used to express habitual actions or permanent situations.
• Verb + -s (for third person singular).

Present Continuous: Ongoing or Temporary Actions

• Indicates actions happening at the moment of speaking.
• To be + verb + -ing.

Past Simple: Completed Past Actions

• Verb + -ed or irregular verb (V2).
• Used with did...? and didn't.
• Describes finished actions.
• Common time expressions: last..., a month ago, yesterday, when, once, in 2011.
• Example: She died in 1916.

Past Continuous: Actions in Progress in the Past

• Describes actions in progress at a specific time in the past.
• Was/Were + verb + -ing.
• Indicates unfinished actions.
• Common time expressions: while, as, yesterday at 9 AM.
• Example: The phone rang when

Verbos Irregulares: Presente y Pasado

• Begin, began (empezar, comenzar)
• Find, found (encontrar)
• Forget, forgot (olvidar)
• Get, got (obtener, conseguir)
• Give, gave (dar)
• Go, went (ir)
• Know, knew (saber, conocer)
• Learn, learnt (aprender)
• Lend, lent (prestar)
• Make, made (hacer, fabricar)
• Pay, paid (pagar)
• Read, read (leer)
• Sit, sat (sentarse)
• Stand, stood (permanecer, quedarse)
• Take, took (tomar)
• Think, thought (pensar, creer)
• Write, wrote (escribir)
• Sleep, slept (dormir)

Conjugación del Verbo To Be

Presente

I am, you are, he is, she is, it is, we are, you are, they are.

Pasado

I was, you were, he was, she was, it was, we were, you were, they were.

Tiempos Continuos

Presente Continuo (Verbo To Be + -ing)

Ejemplo: I'm reading (Estoy leyendo).

Pasado Continuo (Verbo To Be

Knapsack Problem Solution Methods

This implementation demonstrates several methods for solving the Knapsack Problem, including Linear Programming (LP) relaxation, the Dantzig heuristic, the standard Greedy algorithm, and a Local Search approach (Exchange Problem).

1. Initialization and Data Loading

uses "mmsystem"

declarations
    n, cap: integer
    archivo_datos = "gen300_5.txt"
end-declarations

fopen(archivo_datos, F_INPUT)
readln(n)
readln(cap)

declarations
    objetos = 1..n
    p, w, candidato: array(objetos) of integer
    t1: real
    x: array(objetos) of mpvar
    xp: array(objetos) of integer
    g: array(objetos) of real
    sol: array(objetos) of integer
    zgreedy, carga, final: integer
    ind0: array(objetos) of integer

Reported Speech and English Grammar Essentials

Direct and Reported Speech

Time and Place Changes in Reported Speech

Question Words in Reported Speech

• What

Essential English Vocabulary

• Supportive: Apoyo
• Helpful: Servicial
• Outgoing: Extrovertida
• Extroverted: Extrovertido
• Truthful: Veraz
• Sincere: Sincero
• Enthusiastic: Entusiasta
• Energetic: Energético
• Dependable: Confiable
• Reliable: De confianza
• Responsible: Responsable
• Mature: Maduro
• Cruel: Cruel
• Mean: Media
• Optimistic: Optimista
• Positive: Positivo
• Sympathetic: Simpático
• Kind: Tipo
• Bitter: Amargo
• Angry: Enojado
• Eager: Ansioso
• Willing: Complaciente
• Dedicated: Dedicado
• Determined: Determinado

More Useful Words

• Bully: Matón
• Victims: Víctimas
• Star: Estrella
• Founder: Fundador
• Get involved: Involucrarse
• Get things done: Terminar las cosas
• Get better: Mejorar
• Get the feeling: Da la sensación
• Get permission: Obtener permiso
• Get used to: Acostumbrarse a
• Make an effort: Haz un esfuerzo
• Make

VOCABULARY.

Right: derecho, derecha, correcto. To portray: rematar. Plot: argumento. Distrut: desconfianza. Host: anfitrion. Sucess: exito. Beyond; mas alla de. Hope: esperanza. Pride: orgullo. Wise: sabio. As well as: asi como. Strength: fuerza. To miss: echar de menos, perder bus, fallar. Coach: entrenador. Resembled: parecerse. To start: protagonizar. Cast: reparto. Viewers: espectador. To be set: estar situada. Box-office hit: taquillazo. To shoot: disparar / rodar pelicula. To notive: darse cuenta. Illness: enfermedad. Rough: aspero. Marriage: matrimonio. To bocher, to disturbe: molestar. To spot: localizar. Scruffy: desaliñado. To rush:  darse prisa. Imedicated: sin informacion. Hopeful: esperanzado. Hopeless: sin esperanza. Useful:... Continue reading "English Language Study Notes: Vocabulary and Grammar" »

Appeal to - gustar a

Manufacture - producir

Purchase - adquirir

Target - estar dirigido a

Jumble sale - mercadillo

Use up - utilizar todo

Dump - vertedero

Waste - desperdicio

Foolish - insensato

Harmful - dañino

Hazardous - peligroso

Knowledgeable - culto

Environmentally friendly - ecológico

Rubbish dump - vertedero

Bring about - dar lugar a

Get across - transmitir

Point out - remarcar

Put off - aplazar

Fattening - que engorda

Fresh - fresco

Cut out - eliminar

Eat out - salir a cenar

Give up - dejar

Go on a diet - ponerse a régimen

Stick to - seguir

Ban on - prohibición de

Delighted - encantado

Dissatisfied - descontentado

Jog - estímulo

Peckish - con ganas de comer algo

Scent - satisfecho

Sprint - esprint

Stare - mirar fijamente

Starving - hambriento

Well built - fornido

Sight

Ejercicios de Subredes Clase C

1. Subnetting con Máscara 240 (/28)

La máscara de subred 255.255.255.240 corresponde a /28 (4 bits de subred, 4 bits de host).

Representación binaria del último octeto: 11110000.

Tabla de Subredes /28 (Red 192.168.27.0)

Emergency Assessment Questions

• Is anyone else ill, injured, or hurt? - ¿Hay alguien más enfermo, lesionado o herido?
• Were you alone here? - ¿Estaba usted solo aquí?
• Are you a family member or a friend? - ¿Eres miembro de la familia o amigo?
• Can you translate for me? - ¿Puede traducir?
• Can you tell me what happened? - ¿Puede decirme qué pasó?
• Can you answer a few questions for me? - ¿Puedes responderme a algunas preguntas?
• May I call someone for you? - ¿Puedo llamar a alguien por usted?

Symptom and Condition Inquiries

• What's wrong? - ¿Qué te pasa? ¿Cuál es tu problema?
• What's bothering you the most? - ¿Qué le molesta? (¿Qué es lo que más le molesta?)
• What else? - ¿Qué más?
• What happens? - ¿Qué sucede?
• Can you tell me how you are

Mastering the Passive Voice in English

Present Simple

Active: This singer writes many songs.

Passive: Many songs are written by this singer.

Past Simple

Active: This singer wrote many songs.

Passive: Many songs were written by this singer.

Future Simple

Active: This singer will write many songs.

Passive: Many songs will be written by this singer.

Present Continuous

Active: This singer is writing many songs.

Passive: Many songs are being written by this singer.

Past Continuous

Active: This singer was writing many songs.

Passive: Many songs were being written by this singer.

Present Perfect Simple

Active: This singer has written many songs.

Passive: Many songs have been written by this singer.

Past Perfect Simple

Active: This singer had written many songs.

Passive:... Continue reading "Mastering Passive Voice in English: Examples and Key Business Vocabulary" »