Spanish language Q&A Forum

For example, "buscar" is used as an example, but it is not "stem-changing". Maybe change the title of the lesson by dropping the word "stem-changing". 

Hello, in one of the lessons I read Tal Vez accepts both indicative and subjunctive, but when I included the indicative in my answer to the following question, it was marked wrong.

 Tal vez ________ una gala benéfica para los niños pobres. 

Could please explain?

"siente que su grado de veterinaria no le llena."

Why is it "le" and not "la"?

¿Quién necesita música horrible cuando está tratando de concentrarse en escuchar un discúrso?

My dictionary says fruit (the plant) is la fruta. Why is the sentence -Los frutos rojos  and not las frutas rojas ? 

While I understand the explanation via timeframes and don't want to complicate things unnecessarily, this made me think:

Can't I use the imperfect (progressive) with such timeframes, too?

Ayer estaba limpiando la casa. (Should be ok.)
Ayer entre la 1 y las 2 estaba limpiando la casa. (?)
Ayer entre la 1 y las 2 estaba limpiando la casa cuando algo me asustó. (Should be ok.)

That is, can't the imperfect (progressive) be used with an explicit timeframe, too, as long as its function is descriptive or establishing a background, i.e. as long as the aspectual semantics are imperfective within the timeframe?

The correct answer here shows both verbs in imperfect tense. Why is using preterite in the first clause and imperfect in the second clause incorrect? The lesson shows both examples in the past tense.

what is the difference between como estas? and que estas?

What is the  point of having a yo before the tengo. Cant you just put the Tengo.