Irregular Verbs  

Irregular Verbs - Pensar and Acordar
Irregular Verbs.

We shall give only those Primary Tenses which are irregular and the Derivative Tenses when they are not formed regularly from the Primary Tenses from which they are derived[2]--

Footnote 2: For Primary and Derivative Tenses see Synopsis at the end.
Pensar (to think).[3]
Pres. Indic. Pienso-as-a, pensamos, pensáis, piensan.
Pres. Subj. Piense-es-e, pensemos, penséis, piensen.
Imperative Piensa, pensad (reg.).
Acordar (to agree).[3]
Pres. Indic. Acuerdo-as-a, acordamos, acordáis, acuerdan.
Pres. Subj. Acuerde-es-e, acordemos, acordéis, acuerden.
Imperative Acuerda, acordad (reg.).
Footnote 3: And its group; see Appendix VI - Irregular Spanish Verbs.
Irregular Verbs - (contd.)
Irregular Verbs
Andar (to walk, to go).
Past Def. Anduve,-iste,-uvo,-uvimos-uvisteis-uvieron.
Dar (to give).
Pres. Indic. Doy,[4] das, da, damos, dais, dan.
Pres. Subj. Dé, des, dé, demos, deis, den.
Past Def. Dí, diste, dió, dimos, disteis, dieron.
Footnote 4: Only 6 verbs in Spanish do not end in "o" in the 1st pers. sing., pres. indic., viz., Doy (I give), Soy (I am), Estoy (I am), Voy (I see), He (I have), Sé (I know).
Irregular Verbs (contd.).
Entender[3] (to understand).
Pres. Indic. Entiendo-es-e, entendemos, entendéis, entienden.
Pres. Subj. Entienda-as-a, entendamos, entendáis, entiendan.
Imper. Mood Entiende, entended (reg.).
Mover[3] (to move).
Pres. Indic. Muevo-es-e, movemos, movéis, mueven.
Pres. Subj. Mueva-as-a, movamos, mováis, muevan.
Imper. Mood Mueve, moved (reg.).
Footnote 3: And its group (see Appendix IV - Augmentatives and Diminutives)
Conocer - to know
(changes "c" into zc before "a" or "o").
Pres. Indic. conozco
Pres. Subj. conozca-as-a-amos-áis-an

Hacer - to do or make

Past Part. Hecho
Pres. Indic. Hago
Past Def. Hice, hiciste, hizo, hicimos, hicisteis, hicieron
Fut. Indic. Haré, harás, hará, haremos, haréis, harán
Imp. Mood Haz, haced (reg.)
Footnote 5: Model verb for all those ending in cer or cir preceded by a vowel, except cocer (conj. like mover), mecer (reg.) and hacer. (Those ending in ducir are further irreg. in the Past Definite.)
Caer - to fall
Pres. Ind. Caigo -- -- -- -- --
Pres. Subj. Caiga, caigas, caiga, caigamos, caigáis, caigan.
Caber - to be able to contain = to hold
(to be able to be contained = to go in)
Pres. Indic. Quepo
Past Def. Cupe, cupiste, cupo, cupimos, cupisteis, cupieron
Fut. Indic. Cabré, cabrás, cabrá, cabremos, cabréis, cabrán

Poder - to be able

Pres. Part. Pudiendo
Pres. Indic. Puedo, puedes, puede, ... pueden
Imp. Mood NONE
Past Def. Pude, pudiste, pudo, pudimos, pudisteis, pudieron
Fut. Indic. Podré, podrás, podrá, podremos, podréis, podrán
Poner - to put, to place
Past Part. Puesto
Pres. Indic. Pongo [1]
Imper. Mood Pon ... poned ...[2]
Past Def. Puse, pusiste, puso, pusimos, pusisteis, pusieron
Future Indic. Pondré, pondras, pondrá, pondremos, pondéis, pondrán

Querer - to want a thing or person, to love a person, to be willing

Pres. Indic. Quiero, quieres, quiere,--,--, quieren [3]
Past Def. Quise, quisiste, quiso, quisimos, quisisteis, quisieron
Fut. Indic. Querré, querrás, querrá, querremos, querréis, querrán
Footnote 1: Verbs which are irregular in the Pres. Indic. 1st person singular only, have the same irregularity in the present subj. all through.
Footnote 2: The 1st person pi. and 3rd pers. sing. and pl. of the Imperative Mood are taken from the Subj. Mood.
Footnote 3: Verbs which in the pres. indic. are irregular in the 1st, 2nd and 3rd pers. sing. and 3rd pers. pl. have the same irregularities in the pres. subj. in the same persons.
Saber - to know
Pres. Indic. Sé, . . .
Pres. Subj. Sepa, sepas, sepa, sepamos, sepáis, sepan
Past Def. Supe, supiste, supo, supimos, supisteis, supieron
Fut. Indic. Sabré, sabrás, sabrá, sabremos, sabréis, sabrán





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