The imperfect tense, in the classical grammar of several Indo-European languages, denotes a past tense with an imperfective aspect. In English, it is referred to as the past continuous tense.
The term originated with the Latin language because "imperfect" refers to an uncompleted or abandoned action.
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In English, the imperfect or past continuous tense is manifested in the verb phrases:
"eating" and "eat" are present verb tenses, but the action is made to happen in the past. Contrast to "I ate...", which uses the past tense of the verb.
Note that "Back then, I would eat early, and would walk to school..." signifies not the conditional, but rather, past actions of imperfect tense in English,[1] but one must use care when translating to other languages.
In modern linguistics, and especially in TEFL contexts, it is more usual to refer to this as the "past continuous" or the "past progressive" tense.
Conjugation of the imperfect indicative:
| parāre | docēre | legere | capere | scīre | esse | |
|---|---|---|---|---|---|---|
| ego | parābam | docēbam | legēbam | capiēbam | sciēbam | eram |
| tū | parābās | docēbas | legēbās | capiēbās | sciēbās | erās |
| is | parābat | docēbat | legēbat | capiēbat | sciēbat | erat |
| nōs | parābāmus | docēbāmus | legēbāmus | capiēbāmus | sciēbāmus | erāmus |
| vōs | parābātis | docēbātis | legēbātis | capiēbātis | sciēbātis | erātis |
| eī | parābant | docēbant | legēbant | capiēbant | sciēbant | erant |
Notes:
In Romance languages, the imperfect is generally a past tense. Its uses include representing:
| English equivalent | French | Spanish | Italian | Portuguese |
|---|---|---|---|---|
| to love | aimer | amar | amare | amar |
| to desire | désirer | desear | desiderare | desejar |
| to want | vouloir | querer | volere | querer |
| to prefer | préférer | preferir | preferire | preferir |
| to hope | éspérer | esperar | sperare | esperar |
| to feel | sentir | sentir | sentire | sentir |
| to regret/lament | regretter | lamentar | rimpiangere | lamentar |
| to be | être | ser/estar | essere | ser/estar |
| to be able to | pouvoir | poder | potere | poder |
| to know (a person) | connaître | conocer | conoscere | conhecer |
| to know (a thing) | savoir | saber | sapere | saber |
| to believe | croire | creer | credere | acreditar |
| to think | penser | pensar | pensare | pensar |
| to imagine | imaginer | imaginar | immaginare | imaginar |
| to stand/stay | rester | quedar | stare | ficar |
A common mistake of beginners learning a Romance language is putting too much emphasis on whether the time the action occurred is known. This generally does not affect how the imperfect tense is used. For example, the sentence "Someone ate all of my cookies." (when translated) is not a good candidate for the imperfect. Fundamentally, it is no different from the sentence "We ate all the cookies." Note this fails the repeatability requirement of the imperfect, as it is only known to have happened once. On the other hand, the sentence "I used to have fun in the 1960s." is a good candidate for the imperfect, even though its period is known. In short, knowing when an action occurred is not nearly as important as how long it occurred (or was and still is occurring).
In order to form the imperfect tense for French regular verbs, take the present tense e.g. "nous " (we) form, subtract the -ons ending, and add "-ions":
| je | -ais |
| tu | -ais |
| il | -ait |
| nous | -ions |
| vous | -iez |
| ils | -aient |
Examples:
| parler | choisir | vendre | être | commencer | manger | étudier | |
|---|---|---|---|---|---|---|---|
| je | parlais | choisissais | vendais | étais | commençais | mangeais | étudiais |
| tu | parlais | choisissais | vendais | étais | commençais | mangeais | étudiais |
| il | parlait | choisissait | vendait | était | commençait | mangeait | étudiait |
| nous | parlions | choisissions | vendions | étions | commencions | mangions | étudiions |
| vous | parliez | choisissiez | vendiez | étiez | commenciez | mangiez | étudiiez |
| ils | parlaient | choisissaient | vendaient | étaient | commençaient | mangaient | étudiaient |
Notes:
Conjugation of the imperfect indicative:
| avere | essere | parlare | credere | finire | dire | opporre | |
|---|---|---|---|---|---|---|---|
| io | avevo | ero | parlavo | credevo | finivo | dicevo | opponevo |
| tu | avevi | eri | parlavi | credevi | finivi | dicevi | opponevi |
| lui | aveva | era | parlava | credeva | finiva | diceva | opponeva |
| noi | avevamo | eravamo | parlavamo | credevamo | finivamo | dicevamo | opponevamo |
| voi | avevate | eravate | parlavate | credevate | finivate | dicevate | opponevate |
| loro | avevano | erano | parlavano | credevano | finivano | dicevano | opponevano |
Notes:
It is sometimes called the copretérito. Conjugation of the imperfect indicative:
| hablar | comer | insistir | ir | ser | ver | |
|---|---|---|---|---|---|---|
| yo | hablaba | comía | insistía | iba | era | veía |
| tú | hablabas | comías | insistías | ibas | eras | veías |
| él | hablaba | comía | insistía | iba | era | veía |
| nosotros | hablábamos | comíamos | insistíamos | íbamos | éramos | veíamos |
| vosotros | hablabais | comíais | insistíais | ibais | erais | veíais |
| ellos | hablaban | comían | insistían | iban | eran | veían |
Like all other past tenses, imperfect is conjugated regularly for all verbs. Formation: [preverb] + mi- + past stem + past ending
| raftan (to go) | kâr kardan (to work) | |
|---|---|---|
| 1st sg. | miraftam | kâr mikardam |
| 2nd sg. | mirafti | kâr mikardi |
| 3rd sg. | miraft | kâr mikard |
| 1st pl. | miraftim | kâr mikardim |
| 2nd pl. | miraftid | kâr mikardid |
| 3rd pl. | miraftand | kâr mikardand |
Biblical Hebrew had only two aspects (not tenses). The perfect aspect was used for completed actions, and generally implies past time. The imperfect aspect was used for uncompleted actions, and thus could imply present or future time. Modern Hebrew uses the participle for the present time and reserves the imperfect for future time. The Hebrew imperfect is noteworthy for having not only suffixes but also a syllable added at the beginning of the stem, and thus is often called the prefix conjugation.
Like Hebrew, Classical Arabic and thus Literary Arabic has two aspects, denoting completed and uncompleted actions respectively. The perfect is marked with a suffix conjugation, the imperfect with a prefix conjugation. In addition, a number of particles and auxiliary verbs help enrich the verb system.
In Malayalam (verbs are never conjugated for grammatical person, which is indicated by a pronoun), there are two indicative imperfect tenses, corresponding exactly with English:
To make a verb in the imperfect negative, add അല്ല് (all) after the ഉകയ (ukaya) part of the ending for the "was doing" imperfect tense. For example, ഓടുകയല്ലായിരുന്നു (ōṭukayallāyirunnu) (...was not running). To do the same for the "used to do" imperfect, take off the ഉമ (uma) from the ending and add അത്തില്ല (attilla) instead. For example, ഓടത്തില്ലായിരുന്നു (ōṭattillāyirunnu) (...didn't use to run)
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