Level B2Sentence StructureGramática 15.3.6

como si + imperfect subjunctive

as if

By Fabling Editorial · How we design our guides

as if

como si always takes imperfect (or pluperfect) subjunctive: Habla como si supiera todo. Nunca como si + present.

Notice the contrast:Habla como un expertoHabla como si supiera todo

Examples in context

Read the examples and compare their English meanings.

Hypothetical Behavior

Use imperfect subjunctive for current imagined actions.

Habla de política como si supiera todo.

He talks about politics as if he knew everything.

Pretended Ignorance

Hypothetical state clashing with actual reality.

Me miró como si no me conociera.

He looked at me as if he didn't know me.

Common mix-ups

Compare: Habla como si sabe todo.Use here: Habla como si supiera todo.

You can never use the present tense after 'como si'; it always requires the subjunctive.

He speaks as if he knew everything.

Try a reply

Say or write your answer in Spanish before opening the example.

He speaks as if he were the owner.

Show one possible answer

Habla como si fuera el dueño.

Other wording can work too. Compare the verb form, agreement, and word order with the lesson. Then try a sentence about your own day.

Keep practicing

Related grammar

Practice Spanish grammar in context

Fabling builds stories and podcast lessons around your vocabulary, interests, and learning progress.

Try a free story

Your first personalized story is free. No card needed.