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Conditional Tense Formation of Irregular Verbs

 

The verbs that are irregular in the Conditional Tense are also irregular in the Future Tense.

The Conditional Tense is used to express:

a)      A future action relative to a past action.  For example, Saldría de mi casa. (I would leave my house.)

b)      What is uncertain or probable in the past.  For example, Probablemente vendría a mi casa.  (He was probably coming to my house.)

c)      A courtesy when asking for something.  For example, ¿Podría poner la mesa? (Would you set the table?)

The structure of the conditional tense is derived from the structure of the future tense, such that, if the future is regular, the conditional is also regular. For example: comeré (future), comería (conditional)

If the future is irregular, the condicional is also. For example: pondré (future), pondría (conditional)

In other words, you should maintain the irregular form of the root of the verb in the future, but change the endings by adding -ía, -ías, -ía,- íamos, -ían.

As in the future tense, there are 12 basic verbs that don’t follow the same conjugation rules in the conditional tense and related verbs:

Caber

Haber

Poder

Querer

Saber

Decir

Hacer

Poner

Salir

Tener

Valer

Venir

 

Examples of verbs of the same family that follow the same rules:

Tener / mantener / contener / componer (tendría, mantendría, contendría, compondría)

Poner / proponer / imponer (pondría, propondría, impondría)

·         For the following verbs, replace the i or the e with d in the verb ending:

Spanish

English

Poner

To put

Salir

To leave

Tener

To have

Valer

To be worth

Venir

To come

            For example:

Spanish

Spanish

English

Subject

Infinitive: Poner

To Put

Yo

Pondría

I would put

Pondrías

You would put

Usted/él/ella

Pondría

You (formal)/He/She would put

Nosotros

Pondríamos

We would put

Ustedes/Ellos/Ellas

Pondrían

You (plural) would put/They would put

 

·         For the following verbs, leave out the vowel in the verb ending:

Spanish

English

Caber

To fit

Haber

To have

Poder

To be able to

Querer

To want

Saber

To know

For example:

Spanish

Spanish

English

Subject

Infinitive: Caber

To Fit

Yo

Cabría

I would fit

Cabrías

You would fit

Usted/él/ella

Cabría

You (formal)/He/She would fit

Nosotros

Cabríamos

We would fit

Ustedes/Ellos/Ellas

Cabrían

You (plural) would fit/They would fit

 

·         The last 2 verbs in the group of 12 are stem-changing verbs:

Spanish

Spanish

English

Subject

Infinitive: Decir

To Say

Yo

Diría

I would say

Dirías

You would say

Usted/él/ella

Diría

You (formal)/He/She would say

Nosotros

Diríamos

We would say

Ustedes/Ellos/Ellas

Dirían

You (plural) would say/They would say

 

Spanish

Spanish

English

Subject

Infinitive: Hacer

To Do/To Make

Yo

Haría

I would do (make)

Harías

You would do (make)

Usted/él/ella

Haría

You (formal)/He/She would do (make)

Nosotros

Haríamos

We would do (make)

Ustedes/Ellos/Ellas

Harían

You (plural) would do (make)/They would do (make)