Answer:
Most of the time grammar comes after 'common sense" which is inevitable. Grammar rules don't matter anymore when it comes to informal conversation. We only pinpoint grammar errors when we don't understand the statement. So the easiest way to know if the sentence makes sense is to check if in all time subject agrees to its predicate or supporting details.
Explanation:
What is the infinitive of the verb escuchar?
-ar
-er
-ir
What is the infinitive of the verb trabajar?
-ar
-er
-ir
The infinitive of work is trabajar and the infinitive of listen is escuchar.
It means "when is the birthday of your best friend?" amigo is for a guy friend and amiga is for a gal friend.
the way u respond is "<span>El cumpleaños de mi mejor amigo (a) es <span>...."
and fill in the date.
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