tumbar Imperfect Subjunctive Conjugation
tumbar — to knock down
Use 'tumbara' or 'tumbase' for hypothetical past situations or wishes involving 'tumbar'.
tumbar Imperfect Subjunctive Forms
When to Use the Imperfect Subjunctive
The imperfect subjunctive is perfect for talking about 'what if' scenarios in the past, polite requests, or expressing wishes that didn't happen. For 'tumbar', you might say 'If I had knocked down the dominoes...' or 'I wish you would have knocked over the vase.'
Notes on tumbar in the Imperfect Subjunctive
Tumbar is regular in the imperfect subjunctive. Both the -ra and -se forms are correct, though -ra is more common in many regions.
Example Sentences
Si yo tumbara el árbol, me multarían.
If I knocked down the tree, they would fine me.
yo
Ojalá él tumbase la torre de bloques.
I wish he would knock down the block tower.
él/ella/usted
Me gustaría que ustedes tumbaran el cartel viejo.
I would like you to knock down the old sign.
ellos/ellas/ustedes
Common Mistakes
Mistake: Using the imperfect indicative instead of the imperfect subjunctive.
Correct: For hypothetical situations, use 'si tumbara...' not 'si tumbaba...'.
Why: The imperfect subjunctive is specifically for unreal or hypothetical conditions.
Mistake: Only remembering the -ra form and not the -se form.
Correct: Both 'tumbara' and 'tumbase' are correct imperfect subjunctive forms.
Why: Spanish offers two sets of endings for the imperfect subjunctive.
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Related Tenses
Present
yo: tumbo
The present tense of 'tumbar' is regular: tumbo, tumbas, tumba, tumbamos, tumbáis, tumban.
Preterite
yo: tumbé
The preterite of 'tumbar' is regular: tumbé, tumbaste, tumbó, tumbamos, tumbasteis, tumbaron.
Imperfect
yo: tumbaba
The imperfect of 'tumbar' is regular: tumbaba, tumbabas, tumbaba, tumbábamos, tumbabais, tumbaban.
Future
yo: tumbaré
The future of 'tumbar' is regular: tumbaré, tumbarás, tumbará, tumbaremos, tumbaréis, tumbarán.
Conditional
yo: tumbaría
The conditional of 'tumbar' is regular: tumbaría, tumbarías, tumbaría, tumbaríamos, tumbaríais, tumbarían.
Present Subjunctive
yo: tumbe
Use 'tumba' (él/ella/usted) or 'tumbemos' (nosotros) for wishes, doubts, or emotions related to 'tumbar'.
Affirmative Imperative
yo: tumba
Use 'tumba' (tú) and 'tumben' (ustedes) for direct commands with 'tumbar'.
Negative Imperative
yo: no tumbes
Use 'no tumbes' (tú) and 'no tumben' (ustedes) for negative commands with 'tumbar'.