Teaching guidelines +/- 15 minutes

This lesson teaches the expressions "Hay que", "Tener que", and "Deber" to express different types of obligations in Spanish. It explains their formation, use in general, personal, and moral duties, with practical examples such as "Hay que usar la harina correcta" and "Tengo que comprar aceite." The lesson highlights important differences with English, helping students to understand and use these essential phrases accurately.
ExpresiónFormaciónUsoEjemplo
Haber que (to have to)Hay que + infinitivoObligación impersonal, general (Impersonal obligation, general)Hay que usar la harina correcta para el pastel. (One must use the correct flour for the cake.)
Tener que (To have to)Tener (conjugado) + que + infinitivoObligación personal (Personal obligation)Tengo que comprar el aceite. (I have to buy the oil.)
Deber (Must)Deber (conjugado) + infinitivoObligación moral, recomendación fuerte (Moral obligation, strong recommendation)Debemos agregar la mantequilla. (We must add the butter.)

Exercise 1: Obligaciones - "Hay que, tener que, deber"

Instruction: Fill in the correct word.

Show translation Show answers

Tengo que, Debemos, Debes, Tienes que, Hay que

1.
... comprar el azúcar para la receta.
(I have to buy the sugar for the recipe.)
2.
... picar la cebolla para preparar la salsa.
(You need to chop the onion to prepare the sauce.)
3.
... cocinar los tomates a baja temperatura.
(You must cook the tomatoes at a low temperature.)
4.
... usar harina para hacer pan.
(You have to use flour to make bread.)
5.
... batir la nata.
(You have to whip the cream.)
6.
... agregar el aceite a la mezcla.
(We must add the oil to the mixture.)

Exercise 2: Multiple Choice

Instruction: Choose the correct solution

1. _____ usar la harina correcta para hacer un buen pastel.

(_____ use the right flour to make a good cake.)

2. _____ comprar aceite para cocinar esta receta.

(_____ buy oil to cook this recipe.)

3. _____ mezclar la mantequilla con el azúcar antes de hornear.

(_____ mix the butter with the sugar before baking.)

4. _____ pelar la cebolla antes de cocinarla.

(_____ peel the onion before cooking it.)

5. _____ agregar ajo para dar más sabor al plato.

(_____ add garlic to give more flavor to the dish.)

6. _____ seguir la receta para preparar las tapas caseras.

(_____ follow the recipe to prepare the homemade pies.)

Understanding Obligations in Spanish: "Hay que", "Tener que", and "Deber"

This lesson focuses on expressing obligations in Spanish, an important aspect for everyday communication. It covers three key expressions commonly used to indicate duties or necessities: "Hay que", "Tener que", and "Deber".

General vs. Personal Obligations

  • "Hay que" is used for impersonal or general obligations, meaning something must be done by people in general. For example, "Hay que usar la harina correcta para el pastel." means "One must use the correct flour to make the cake."
  • "Tener que" expresses personal obligations. It is conjugated with the subject and followed by "que" plus an infinitive verb. For example, "Tengo que comprar el aceite." means "I have to buy the oil."

Moral Obligations and Recommendations

"Deber" conveys a moral obligation or a strong recommendation. It is conjugated with the subject followed directly by an infinitive. For example, "Debemos agregar la mantequilla." means "We should add the butter." This form is more about advice or duties from a moral standpoint.

Key Points and Examples

  • Formation: "Hay que" + infinitive; "Tener" (conjugated) + "que" + infinitive; "Deber" (conjugated) + infinitive.
  • Usage highlights: Hay que - general rules, Tener que - personal necessity, Deber - moral recommendation.
  • Examples include: "Hay que pelar la cebolla antes de cocinarla.", "Tienes que agregar ajo para dar más sabor al plato.", "Debo seguir la receta para preparar las tapas caseras."

Notes on Differences with English

In English, obligation is often conveyed by "have to" or "must," but Spanish differentiates between impersonal, personal, and moral obligations systematically. For example, "Hay que" has no direct English equivalent but functions like "one must" or "it is necessary to." The phrase "Tener que" is close to "have to," and "Deber" parallels "should" or "ought to." Understanding these nuances helps learners express obligation with precision in Spanish.

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