| I am [ser] | soy |
| you are (informal singular) [ser] | eres |
| he / she / it is you are (formal singular) [ser] | es |
| we are [ser] | somos |
| you are (informal plural: Spain only) [ser] | sois |
| they / you are (informal & formal plural) (formal plural: Spain only) [ser] | son |
| I was [ser] | fuí |
| you were (informal singular) [ser] | fuiste |
| he / she / it was you were (formal singular) [ser] | fué |
| we were [ser] | fuimos |
| you were (informal plural: Spain only) [ser] | fuisteis |
| they / you were (informal & formal plural) (formal plural: Spain only) [ser] | fueron |
| I will be [ser] | seré |
| you will be (informal singular) [ser] | serás |
| he / she / it / you will be (formal singular) [ser] | será |
| we will be [ser] | seremos |
| you will be (informal plural: Spain only) [ser] | seréis |
| they / you will be (informal & formal plural) (formal plural: Spain only) [ser] | serán |
| I am [estar] | estoy |
| you are (informal singular) [estar] | estás |
| he / she / it is you are (formal singular) [estar] | está |
| we are [estar] | estamos |
| you are (informal plural: Spain only) [estar] | estáis |
| they / you are (informal & formal plural) (formal plural: Spain only) [estar] | están |
| I was [estar] | estuve |
| you were (informal singular) [estar] | estuviste |
| he / she / it was you were (formal singular) [estar] | estuvo |
| we were [estar] | estuvimos |
| you were (informal plural: Spain only) [estar] | estuvisteis |
| they / you were (informal & formal plural) (formal plural: Spain only) [estar] | estuvieron |
| I will be [estar] | estaré |
| you will be (informal singular) [estar] | estarás |
| he / she / it / you will be (formal singular) [estar] | estará |
| we will be [estar] | estaremos |
| you will be (informal plural: Spain only) [estar] | estaréis |
| they / you will be (informal & formal plural) (formal plural: Spain only) [estar] | estarán |
| I have | tengo |
| you have (informal singular) | tienes |
| he / she / it has you have (formal singular) | tiene |
| we have | tenemos |
| you have (informal plural: Spain only) | tenéis |
| they / you have (informal & formal plural) (formal plural: Spain only) | tienen |
| I had | tuve |
| you had (informal singular) | tuviste |
| he / she / it / you had (formal singular) | tuvo |
| we had | tuvimos |
| you had (informal plural: Spain only) | tuvisteis |
| they / you had (informal & formal plural) (formal plural: Spain only) | tuvieron |
| I will have | tendré |
| you will have (informal singular) | tendrás |
| he / she / it / you will have (formal singular) | tendrá |
| we will have | tendremos |
| you will have (informal plural: Spain only) | tendréis |
| they / you will have (informal & formal plural) (formal plural: Spain only) | tendrán |