8.4.2
Preterite vs Imperfect
Choosing Between the Preterite and the Imperfect
Choosing Between the Preterite and the Imperfect
The following rules will help you when trying to decide between using the preterite or the imperfect.


Single actions vs repeated actions
Single actions vs repeated actions
- The preterite is used to express single actions in the past.
- Ayer, llegué tarde al trabajo.
- Yesterday, I was late for work.
- Ayer, llegué tarde al trabajo.
- The imperfect is used to show repeated actions.
- Llegaba tarde al trabajo a menudo.
- I was often late for work.
- Llegaba tarde al trabajo a menudo.


Completed actions vs in progress
Completed actions vs in progress
-- We use the preterite when we refer to the action as a completed event even if it was a continuous or repetitive action:
- Aquella profesora enseñó biología el año pasado, pero nunca más.
- That teacher taught biology last year, but not anymore.
- When we refer to the action when it was in progress, and not as a finished completed event, we use the imperfect:
- That teacher taught biology last year, but not anymore.
- Aquella profesora enseñaba biología cuando yo aprobé el test.
- That teacher was teaching biology when I passed the test.


Exception vs normality
Exception vs normality
- The preterite is used to express that an action is unique or an exception.
- The imperfect is used to express that an action is normal.
- Ella amaba jugar al fútbol pero aquel lo odió.
- She loved to play football but that day she hated it.
- Ella amaba jugar al fútbol pero aquel lo odió.


Actions happening at the same time
Actions happening at the same time
- When two actions are taking place simultaneously, the preterite is used for the main action and the imperfect is used for ongoing actions.
- Mi madre cocinaba cuando la llamé por teléfono.
- My mother was cooking when I called her on the phone.
Choosing Between the Preterite and the Imperfect
Choosing Between the Preterite and the Imperfect
The following rules will help you when trying to decide between using the preterite or the imperfect:


Single actions vs repeated actions
Single actions vs repeated actions
- The preterite is used to express single actions in the past.
- Ayer, llegué tarde al trabajo.
- Yesterday, I was late for work.
- Ayer, llegué tarde al trabajo.
- The imperfect is used to show repeated actions.
- Llegaba tarde al trabajo a menudo.
- I was late for work often.
- Llegaba tarde al trabajo a menudo.


Completed actions vs in progress
Completed actions vs in progress
- You use the preterite when the action is completed.
- Aquella profesora sólo enseñó biología el trimestre pasado.
- That teacher only taught biology last term.
- Aquella profesora sólo enseñó biología el trimestre pasado.
- When an action is still in progress you use the imperfect.
- Aquella profesora enseñaba biología.
- That teacher taught biology.
- Aquella profesora enseñaba biología.


Exception vs normality
Exception vs normality
- The preterite is used to express that an action is unique or an exception.
- The imperfect is used to express that an action is normal.
- Ella amaba jugar al fútbol pero aquel día odió el fútbol.
- She loved to play football but that day she hated it.
- Ella amaba jugar al fútbol pero aquel día odió el fútbol.


Actions happening simultaneously
Actions happening simultaneously
- When two actions are taking place simultaneously, the preterite is used for the main action and the imperfect is used for ongoing actions.
- Mi madre cocinaba cuando salí de la casa.
- My mum was cooking when I left the house.
- Mi madre cocinaba cuando salí de la casa.
1The Basics
1.1Pronouns
1.2Verbs
1.3Nouns
1.4Adjectives
1.5Abbreviations
2Home & Abroad
2.2Holiday
2.4Everyday Life, Traditions & Communities
3Education & Employment
3.2School Trips
3.4Future Plans
4Personal Life & Relationships
4.1House & Home
4.2Daily Routines & Helping at Home
4.3Family & Friends
5The World Around Us
5.1Environmental Issues
5.2Weather
5.3Travel & Transport
5.5Information & Communication
6Social Activities, Fitness & Health
6.1Special Occasions
6.2Hobbies & Interests
6.3Shopping & Money Matters
6.4Injuries, Illness & Health
7Listening
7.1Town & Region
7.2Holiday
7.3Customs
7.4Education
7.5Personal Life & Relationships
7.6The Media & Technology
7.7Social Activities
7.8The Environment
7.9Fitness & Health
8Common Tenses
8.1Present Tense
8.1.1Regular AR Verbs
8.1.2Negative Verbs
8.1.3Irregular AR Verbs
8.1.4Irregular AR Verbs: Exceptions
8.1.5Regular ER Verbs
8.1.6Irregular ER Verbs
8.1.7Irregular ER Verbs 2
8.1.8Regular IR Verbs
8.1.9Irregular IR Verbs
8.1.10Irregular IR Verbs 2
8.1.11Irregular IR Verbs 3
8.1.12Irregular IR Verbs 4
8.1.13Verb Phrases
8.1.14The Use of 'Se'
8.2Preterite Tense
8.2.1Regular AR Verbs
8.2.2Irregular AR Verbs (1/4)
8.2.3Irregular AR Verbs (2/4)
8.2.4Irregular AR Verbs (3/4)
8.2.5Irregular AR Verbs (4/4)
8.2.6Regular ER Verbs
8.2.7Irregular ER Verbs (1/5)
8.2.8Irregular ER Verbs (2/5)
8.2.9Irregular ER Verbs (3/5)
8.2.10Irregular ER Verbs (4/5)
8.2.11Irregular ER Verbs (5/5)
8.2.12Regular IR Verbs
8.2.13Irregular IR Verbs (1/6)
8.2.14Irregular IR Verbs (2/6)
8.2.15Irregular IR Verbs (3/6)
8.2.16Irregular IR Verbs (4/6)
8.2.17Irregular IR Verbs (5/6)
8.2.18Irregular IR Verbs (6/6)
8.3Imperfect Tense
8.4Preterite vs Imperfect Tenses
8.5Future Tense
9Important Verbs
9.1To Be - 'Ser' & 'Estar'
9.2To Like - 'Gustar'
9.3To Have - 'Tener'
10Advanced Tenses
10.1The Simple Future
10.2Conditional Tense
10.3Continuous Tenses
10.4Perfect Tense
10.5Present Subjunctive
10.5.1Present Subjunctive: AR Verbs
10.5.2Present Subjunctive: ER Verbs
10.5.3Present Subjunctive: IR Verbs
10.5.4Irregular AR Verbs (1/3)
10.5.5Irregular AR Verbs (2/3)
10.5.6Irregular AR Verbs (3/3)
10.5.7Irregular ER Verbs (1/2)
10.5.8Irregular ER Verbs (2/2)
10.5.9Irregular IR Verbs (1/3)
10.5.10Irregular IR Verbs (2/3)
10.5.11Irregular IR Verbs (3/3)
10.5.12The Verb 'Ir'
10.5.13Subjunctive Uses
10.6Imperfect Subjunctive
11Extra Grammar
11.2Negatives
11.3Nouns
11.4Asking Questions
11.5Adjectives
11.6Adverbs
11.7Conjunctions
11.8Pronouns
11.9By, With, From, Of
11.10Verbs
11.11Comparisons
Jump to other topics
1The Basics
1.1Pronouns
1.2Verbs
1.3Nouns
1.4Adjectives
1.5Abbreviations
2Home & Abroad
2.2Holiday
2.4Everyday Life, Traditions & Communities
3Education & Employment
3.2School Trips
3.4Future Plans
4Personal Life & Relationships
4.1House & Home
4.2Daily Routines & Helping at Home
4.3Family & Friends
5The World Around Us
5.1Environmental Issues
5.2Weather
5.3Travel & Transport
5.5Information & Communication
6Social Activities, Fitness & Health
6.1Special Occasions
6.2Hobbies & Interests
6.3Shopping & Money Matters
6.4Injuries, Illness & Health
7Listening
7.1Town & Region
7.2Holiday
7.3Customs
7.4Education
7.5Personal Life & Relationships
7.6The Media & Technology
7.7Social Activities
7.8The Environment
7.9Fitness & Health
8Common Tenses
8.1Present Tense
8.1.1Regular AR Verbs
8.1.2Negative Verbs
8.1.3Irregular AR Verbs
8.1.4Irregular AR Verbs: Exceptions
8.1.5Regular ER Verbs
8.1.6Irregular ER Verbs
8.1.7Irregular ER Verbs 2
8.1.8Regular IR Verbs
8.1.9Irregular IR Verbs
8.1.10Irregular IR Verbs 2
8.1.11Irregular IR Verbs 3
8.1.12Irregular IR Verbs 4
8.1.13Verb Phrases
8.1.14The Use of 'Se'
8.2Preterite Tense
8.2.1Regular AR Verbs
8.2.2Irregular AR Verbs (1/4)
8.2.3Irregular AR Verbs (2/4)
8.2.4Irregular AR Verbs (3/4)
8.2.5Irregular AR Verbs (4/4)
8.2.6Regular ER Verbs
8.2.7Irregular ER Verbs (1/5)
8.2.8Irregular ER Verbs (2/5)
8.2.9Irregular ER Verbs (3/5)
8.2.10Irregular ER Verbs (4/5)
8.2.11Irregular ER Verbs (5/5)
8.2.12Regular IR Verbs
8.2.13Irregular IR Verbs (1/6)
8.2.14Irregular IR Verbs (2/6)
8.2.15Irregular IR Verbs (3/6)
8.2.16Irregular IR Verbs (4/6)
8.2.17Irregular IR Verbs (5/6)
8.2.18Irregular IR Verbs (6/6)
8.3Imperfect Tense
8.4Preterite vs Imperfect Tenses
8.5Future Tense
9Important Verbs
9.1To Be - 'Ser' & 'Estar'
9.2To Like - 'Gustar'
9.3To Have - 'Tener'
10Advanced Tenses
10.1The Simple Future
10.2Conditional Tense
10.3Continuous Tenses
10.4Perfect Tense
10.5Present Subjunctive
10.5.1Present Subjunctive: AR Verbs
10.5.2Present Subjunctive: ER Verbs
10.5.3Present Subjunctive: IR Verbs
10.5.4Irregular AR Verbs (1/3)
10.5.5Irregular AR Verbs (2/3)
10.5.6Irregular AR Verbs (3/3)
10.5.7Irregular ER Verbs (1/2)
10.5.8Irregular ER Verbs (2/2)
10.5.9Irregular IR Verbs (1/3)
10.5.10Irregular IR Verbs (2/3)
10.5.11Irregular IR Verbs (3/3)
10.5.12The Verb 'Ir'
10.5.13Subjunctive Uses
10.6Imperfect Subjunctive
11Extra Grammar
11.2Negatives
11.3Nouns
11.4Asking Questions
11.5Adjectives
11.6Adverbs
11.7Conjunctions
11.8Pronouns
11.9By, With, From, Of
11.10Verbs
11.11Comparisons
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