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

Essential English Vocabulary: Clothes and Accessories

• Cardigan: chaqueta fina
• Skirt: falda
• Boots: botas
• Coat: abrigo
• Suit: traje
• Flip-flops: chanclas
• Dress: vestido
• Sweater: jersey
• Sandals: sandalias
• Jacket: chaqueta
• Top: camiseta / top
• Shoes: zapatos
• Jeans: vaqueros
• Tracksuit: chándal
• Trainers: bambas / zapatillas
• Shirt: camisa
• Trousers: pantalones
• Belt: cinturón
• Shorts: pantalones cortos
• T-shirt: camiseta
• Cap: gorra
• Hat: gorro / sombrero
• Leggings: leggings
• Gloves: guantes
• Scarf: bufanda
• Socks: calcetines
• Tie: corbata
• Tights: medias
• Bracelet: pulsera
• Earrings: pendientes
• Necklace: collar
• Ring: anillo

Describing People and Actions

Physical Appearance

What do they look like? (Descripción física)

Example: She has curly, brown hair.

Clothing and Current Actions

What are they wearing?... Continue reading "English Vocabulary for Clothes and Basic Grammar" »

Essential English Irregular Verbs Reference

This comprehensive table provides the infinitive, past simple, and past participle forms for 60+ common irregular English verbs, along with their corresponding Spanish translations. Use this resource to improve your conjugation accuracy and vocabulary.

Irregular Verbs List (A-Z)

Was/Were Going To

Affirmative Sentences

To form the affirmative, use the correct form of 'to be' followed by 'going to' and a verb.

Subject + was/were + going to + verb + rest of the sentence.

Example: They were going to dance at a party.

Negative Sentences

To form the negative, negate the verb 'to be'.

Subject + wasn't/weren't + going to + verb + rest of the sentence.

Example: They weren't going to dance at a party.

Interrogative Sentences

To form a question, invert the verb 'to be' and the subject.

Was/were + subject + going to + verb + rest of the sentence?

Example: Were they going to dance at a party?

Hope and Wish

The word 'wish' is often used to talk about unreal situations.

Example: I wish I had more money. (I don't have much money)

'Hope' is used in... Continue reading "English Grammar Guide: Was/Were Going To, Hope/Wish, Adjectives, and Relative Clauses" »

Adjectives and Emotional States

• Asombroso: Amazing
• Molesto: Annoying
• Desconcertante: Confusing
• Embarazoso: Embarrassing
• Fascinante: Engrossing
• Terrorífico, aterrador: Frightening
• Intrigante: Intriguing
• Motivador: Motivating
• Alucinante: Stunning
• Asombrado: Amazed
• Molesto: Annoyed
• Desconcertado: Confused
• Avergonzado: Embarrassed
• Fascinado: Engrossed
• Asustado: Frightened
• Intrigado: Intrigued
• Motivado: Motivated
• Pasmado: Stunned

Verbs of Movement and Action

• Deambular: Wander
• Cojear: Limp
• Pasear: Stroll
• Arrastrarse, gatear: Crawl
• Darse prisa: Rush
• Pisar: Tread/Trod

Phrasal Verbs and Mystery Vocabulary

• Explicar: Account for
• Resolver: Clear up
• Rebuscado: Far-fetched
• Llegar al fondo de: Get to the bottom of
• Engaño, bulo: Hoax
• Raro: Odd
• Inquietante: Unsettling
• Extraño: Weird
• Descartar:

Minutes: Page 35

Visitor Management

BG opened the meeting by reminding attendees that visitor numbers are strictly monitored. She stated that the number of ship passengers, the duration of their stay, and sites visited are recorded meticulously. She also pointed out that each ship receives a compulsory site schedule from the park, and visitors are not allowed free access to sensitive sites.

Sustainable Tourism Concerns

LC acknowledged that this scheme had been beneficial but felt that there should be an annual limit to the number of tourists. He warned that the present situation was unsustainable and urged the meeting to take action to protect the islands from further degradation. JB confirmed that this was indeed the case and was worried about... Continue reading "Sustainable Tourism and Visitor Management in the Galapagos Islands" »

Direct Speech Fundamentals

Direct speech involves quoting the exact words spoken, enclosed in quotation marks.

• Dr. Ames wrote, “Negative emotions are harmful and cause illness.”
• He continued, “But Cousins hasn’t proved anything.”
• Cousins said, “Laughter cured me.”
• We wrote, “He isn’t practicing laughter yoga.”
• She claimed, “We were telling the truth.”
• Doctors admitted, “We’ve learned from Cousins’s article.”
• He told her, “I’ll check to see how you’re feeling later.”
• Pam told us, “I can’t understand what happened.”
• He told me, “You have to see this funny movie.”
• The nurse told the little girl, “You must rest.”

Indirect Speech Transformation

Indirect speech (or reported speech) conveys what was said without... Continue reading "Mastering Reported Speech and English Humor Vocabulary" »

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