Explicación y Ejercicios de Repaso:
1. Uso de "Should" y "Shouldn't":
"Should" se usa para dar recomendaciones o consejos.
Ejemplo: You should eat more vegetables. (Deberías comer más verduras.)
"Shouldn't" se usa para decir lo que no es recomendable o lo que no se debe hacer.
Ejemplo: You shouldn't stay up late. (No deberías quedarte hasta tarde.)
2. Uso de "Have to", "Has to", "Don't have to" y "Doesn't have to":
"Have to" y "Has to" se usan para expresar obligación.
Have to: Se usa con I, You, We, They.
Ejemplo: I have to go to work tomorrow. (Tengo que ir al trabajo mañana.)
Has to: Se usa con He, She, It.
Ejemplo: She has to clean her room. (Ella tiene que limpiar su cuarto.)
"Don't have to" y "Doesn't have to" se usan para decir que algo no es necesario, es decir, no hay obligación.
Don't have to: Se usa con I, You, We, They.
Ejemplo: We don't have to pay for parking. (No tenemos que pagar por el estacionamiento.)
Doesn't have to: Se usa con He, She, It.
Ejemplo: He doesn't have to wear a tie. (Él no tiene que usar corbata.)
Tabla de Resumen:
Ejercicios Prácticos:
Ejercicio 1: Completa las oraciones con "should", "shouldn't", "have to", "has to", "don't have to" o "doesn't have to".
I _don’t have to______ wake up early tomorrow because I have the day off.
You _have to/should______ eat more vegetables to stay healthy.
We ____should___ study for the test tonight. It’s optional.
She ___doesn’t have to ____ wear glasses because her vision is perfect.
They __have to _____ arrive before 8:00 AM. The meeting starts at 9:00 AM.
He _doesn’t have to ______ clean the kitchen; I already did it.
You __shouldn’t_____ smoke. It’s very bad for your health.
I don’t have to_______ go to the doctor today; I feel fine.
Ejercicio 2: Elige la opción correcta:
(She/She’s) __should_____ call her mother more often.
a) should
b) shouldn’tYou __have to_____ be at the airport at least two hours before your flight.
a) have to
b) don’t have toThey ___have to____ study for the test
a) have to
b) shouldHe __doesn’t have to_____ go to work on weekends.
a) doesn’t have to
b) has toWe _don’t have to______ bring an umbrella; it’s not raining.
a) don’t have to
b) should
2. Ejercicio de Emparejamiento
Instrucciones: Relaciona cada término en inglés con su correspondiente traducción/acción en español.
Recycle plastic c) Reciclar plástico
Turn off lights a) Apagar las luces
Reuse glass d) Reutilizar vidrio
Waste food b) Desperdiciar comida
Paper e) Papel
Pick up litter f) Recoger basura
Metal i) Metal
Drop litter h) Tirar basura
Rubbish g) Basura
Swap clothes j) Intercambiar ropa
Opciones en español:
Escribe la letra correcta para cada número.
3. Ejercicio de Completar Frases
Instrucciones: Completa las siguientes oraciones usando las palabras o frases en inglés del vocabulario (elige la opción adecuada de la lista).
We should always ___recycle______ plastic to help the environment.
Please, ___turn off______ lights when you leave the room.
Instead of buying new bottles, we can ___reuse______ glass.
It is very sad to see people __waste_______ food when many are hungry.
Remember to recycle __paper_______; it saves trees.
Volunteers ___pick up______ litter in the park every weekend.
Scrap ___metal______ can be melted and reused.
It is not acceptable to ____drop_____ litter on the streets.
Always dispose of your ____plastic/rubbish/glass/paper_____ in the correct bin.