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Diagnosticar is a Spanish verb which translates into English as “to diagnose”.
Below are all of the conjugations for diagnosticar in Spanish, in all three moods (indicative/indicativo, subjunctive/subjunctivo and imperative/imperativo) and all of the tenses, for each pronoun.
The vosotros pronoun is mainly used in mainland Spain, and is the informal second-person plural – it could be considered the Spanish version of “y’all”. It is rarely found in Latin America, where ustedes is used instead.
The vos form is used instead of tú in some Spanish speaking countries of South America, especially the Southern Cone (e.g. Argentina and Uruguay) and has a different conjugation.
| English Infinitive | to diagnose |
|---|---|
| Spanish Infinitive | diagnosticar |
The gerund (gerundio) is used with the continuous tenses, e.g. present continuous (está diagnosticando) and past continuous (estaba diagnosticando). The easiest way to think of it is the equivalent of english’s -ing form (e.g. diagnosing).
The past participle (participio) is used with perfect tense ‘haber’ verbs, e.g. he diagnosticado and hubiera diagnosticado. These are the equivalent of English’s ‘have’ (e.g. have diagnosed).
| Gerundio / Gerund | diagnosticando |
|---|---|
| Participio / Past Participle | diagnosticado |
The basic form of speech, el indicativo is used for making statements, talking about facts, events and things that are certain and objective.
The present tense is as it sounds – it’s for talking about things that are currently going on, which are habitual, or which generally exist. In English, this would be “I diagnose” or “they diagnose”.
| Pronoun | Spanish |
|---|---|
| Yo | diagnostico |
| Tú | diagnosticas |
| Él / Ella / Usted | diagnostica |
| Nosotros / as | diagnosticamos |
| Vosotros / as | diagnosticáis |
| Ellos / Ellas / Ustedes | diagnostican |
| Vos | diagnosticás |
Your simple past tense, e.g. “I diagnosed” or “she diagnosed” in English.
In Spanish, there are two past tenses where just one is used in English; the pretérite infefinido is typically used to refer to a concrete, specific moment in time.
| Pronoun | Spanish | English |
|---|---|---|
| Yo | diagnostiqué | I diagnosed |
| Tú | diagnosticaste | You diagnosed |
| Él / Ella / Usted | diagnosticó | He / she / you diagnosed |
| Nosotros / as | diagnosticamos | We diagnosed |
| Vosotros / as | diagnosticasteis | You diagnosed |
| Ellos / Ellas / Ustedes | diagnosticaron | They / you diagnosed |
| Vos | diagnosticaste | You diagnosed |
The pretérito imperfecto roughly translates as “I was diagnosing” or “she was diagnosing” in English, and is typically used to describe things and set a scene, talk about events without a specific timeframe, or talk about habitual events or states in the past.
| Pronoun | Spanish | English |
|---|---|---|
| Yo | diagnosticaba | I was diagnosing |
| Tú | diagnosticabas | You were diagnosing |
| Él / Ella / Usted | diagnosticaba | He was / she was / you were diagnosing |
| Nosotros / as | diagnosticábamos | We were diagnosing |
| Vosotros / as | diagnosticabais | You were diagnosing |
| Ellos / Ellas / Ustedes | diagnosticaban | They / you were diagnosing |
| Vos | diagnosticabas | You were diagnosing |
The perfect tense is for talking about things which happened in the past but are still related to the present or continue into the present.
In English, these use the auxiliary verbs ‘have’ and ‘has’ – i.e. “I have diagnosed” and “she has diagnosed”.
| Pronoun | Spanish | English |
|---|---|---|
| Yo | he diagnosticado | I have diagnosed |
| Tú | has diagnosticado | You have diagnosed |
| Él / Ella / Usted | ha diagnosticado | He has / she has / you have diagnosed |
| Nosotros / as | hemos diagnosticado | We have diagnosed |
| Vosotros / as | habéis diagnosticado | You have diagnosed |
| Ellos / Ellas / Ustedes | han diagnosticado | They / you have diagnosed |
| Vos | has diagnosticado | You have diagnosed |
The conditional is used in place of the English modal verb “would”, i.e. “I would diagnose” or “she would diagnose”. It can be used to talk about hypothetical situations.
| Pronoun | Spanish | Englush |
|---|---|---|
| Yo | diagnosticaría | I would diagnose |
| Tú | diagnosticarías | You would diagnose |
| Él / Ella / Usted | diagnosticaría | He / she / you would diagnose |
| Nosotros / as | diagnosticaríamos | We would diagnose |
| Vosotros / as | diagnosticaríais | You would diagnose |
| Ellos / Ellas / Ustedes | diagnosticarían | They / you would diagnose |
| Vos | diagnosticarías | You would diagnose |
The future tense, simply put, replaces the English modal verb “will” – i.e. “I will diagnose” or “they will diagnose”.
It is more commonly used for making a hypothesis about the present. To talk about the future, Spanish speakers frequently use “ir + a + infinivo”, e.g. “van a diagnosticar” means “They are going to diagnose”.
| Pronoun | Spanish | English |
|---|---|---|
| Yo | diagnosticaré | I will diagnose |
| Tú | diagnosticarás | You will diagnose |
| Él / Ella / Usted | diagnosticará | He / she / you will diagnose |
| Nosotros / as | diagnosticaremos | We will diagnose |
| Vosotros / as | diagnosticaréis | You will diagnose |
| Ellos / Ellas / Ustedes | diagnosticarán | They / you will diagnose |
| Vos | diagnosticarás | You will diagnose |
| Pronoun | Spanish |
|---|---|
| Yo | diagnostique |
| Tú | diagnostiques |
| Él / Ella / Usted | diagnostique |
| Nosotros / as | diagnostiquemos |
| Vosotros / as | diagnostiquéis |
| Ellos / Ellas / Ustedes | diagnostiquen |
| Vos | diagnostiques |
There are two ways to form the imperfect subjunctive.
The first option sees verbs ending in -era (for -er and -ir verbs) and -ara (for -ar verbs), while the second sees verbs ending in -ese (for -er and -ir verbs) and -ase (for -ar verbs).
There is no difference between these two forms, and Spanish speakers use them interchangeably.
| Pronoun | Spanish era/ara | Spanish ese/ase |
|---|---|---|
| Yo | diagnosticara | diagnosticase |
| Tú | diagnosticaras | diagnosticase |
| Él / Ella / Usted | diagnosticara | diagnosticase |
| Nosotros / as | diagnosticáramos | diagnosticásemos |
| Vosotros / as | diagnosticarais | diagnosticaseis |
| Ellos / Ellas / Ustedes | diagnosticaran | diagnosticasen |
| Vos | diagnosticaras | diagnosticase |
The future subjunctive is no longer used in modern-day Spanish, apart from in literary and legal contexts, and there is no need to learn it.
It is formed the same as the past/imperfect subjunctive, but with -e endings instead of -a endings.
| Pronoun | Spanish |
|---|---|
| Yo | diagnosticare |
| Tú | diagnosticares |
| Él / Ella / Usted | diagnosticare |
| Nosotros / as | diagnosticáremos |
| Vosotros / as | diagnosticareis |
| Ellos / Ellas / Ustedes | diagnosticaren |
| Vos | diagnosticares |
Used for forming positive and negative commands, e.g. “diagnose!” and “don’t diagnose!”.
| Pronoun | Spanish Affirmative | Spanish Negative |
|---|---|---|
| Tú | diagnostica | no diagnostiques |
| Él / Ella / Usted | diagnostique | no diagnostique |
| Nosotros / as | diagnostiquemos | no diagnostiquemos |
| Vosotros / as | diagnosticad | no diagnostiquéis |
| Ellos / Ellas / Ustedes | diagnostiquen | no diagnostiquen |
| Vos | diagnosticá | no diagnostiques |
| Pronoun | Spanish |
|---|---|
| Yo | haya diagnosticado |
| Tú | hayas diagnosticado |
| Él / Ella / Usted | haya diagnosticado |
| Nosotros / as | hayamos diagnosticado |
| Vosotros / as | hayáis diagnosticado |
| Ellos / Ellas / Ustedes | hayan diagnosticado |
| Vos | hayas diagnosticado |
| Pronoun | Spanish |
|---|---|
| Yo | hubiera diagnosticado / hubiese diagnosticado |
| Tú | hubieras diagnosticado / hubieses diagnosticado |
| Él / Ella / Usted | hubiera diagnosticado / hubiese diagnosticado |
| Nosotros / as | hubiéramos diagnosticado / hubiésemos diagnosticado |
| Vosotros / as | hubierais diagnosticado / hubieseis diagnosticado |
| Ellos / Ellas / Ustedes | hubieran diagnosticado / hubiesen diagnosticado |
| Vos | hubieras diagnosticado / hubieses diagnosticado |
| Pronoun | Spanish |
|---|---|
| Yo | hubiere diagnosticado |
| Tú | hubieres diagnosticado |
| Él / Ella / Usted | hubiere diagnosticado |
| Nosotros / as | hubiéremos diagnosticado |
| Vosotros / as | hubiereis diagnosticado |
| Ellos / Ellas / Ustedes | hubieren diagnosticado |
| Vos | hubieres diagnosticado |
| Pronoun | Spanish |
|---|---|
| Yo | esté diagnosticando |
| Tú | estés diagnosticando |
| Él / Ella / Usted | esté diagnosticando |
| Nosotros / as | estemos diagnosticando |
| Vosotros / as | estéis diagnosticando |
| Ellos / Ellas / Ustedes | estén diagnosticando |
| Vos | estés diagnosticando |
| Pronoun | Spanish |
|---|---|
| Yo | estuviera diagnosticando / estuviese diagnosticando |
| Tú | estuvieras diagnosticando / estuvieses diagnosticando |
| Él / Ella / Usted | estuviera diagnosticando / estuviese diagnosticando |
| Nosotros / as | estuviéramos diagnosticando / estuviésamos diagnosticando |
| Vosotros / as | estuvierais diagnosticando / estuvieseis diagnosticando |
| Ellos / Ellas / Ustedes | estuviera diagnosticando / estuviese diagnosticando |
| Vos | estuvieras diagnosticando / estuvieses diagnosticando |
| Pronoun | Spanish |
|---|---|
| Yo | estuviere diagnosticando |
| Tú | estuvieres diagnosticando |
| Él / Ella / Usted | estuviere diagnosticando |
| Nosotros / as | estuviéremos diagnosticando |
| Vosotros / as | estuviereis diagnosticando |
| Ellos / Ellas / Ustedes | estuviere diagnosticando |
| Vos | estuvieres diagnosticando |
Voseo is the practice of using ‘vos’ instead of ‘tú’ as the second-person singular pronoun, and is common throughout much of South America.
There are various versions of ‘voseo’ used throughout the Spanish-speaking world. The conjugations for the most common type – used throughout Argentina, parts of Bolivia, Colombia, Ecuador, Paraguya and Uruguay are below.
The present indicative (presente de indicativo) and affirmative imperative (imperativo) have different conjugations from the tú form, while all other tenses generally use the tú form.
| Tense | Vos Conjugation |
|---|---|
| Present Indicative Presente de Indicativo | Vos diagnosticás |
| Simle Past / Preterite Preterite de Indicativo | Vos diagnosticaste |
| Imperfect Past Preterite Imperfecto de Indicativo | Vos diagnosticabas |
| Conditional Condicional | Vos diagnosticarías |
| Future Futuro de Indicativo | Vos diagnosticarás |
| Present Subjunctive Presente de Subjunctivo | Vos diagnostiques |
| Imperfect Subjunctive Imperfecto de Subjunctivo | Vos diagnosticaras / Vos diagnosticase |
| Affirmative Imperative Imperativo | Vos diagnosticá |
| Negative Imperative Imperativo Negativo | Vos no diagnostiques |