Let's look at the sentence pattern. This pattern is the structure that all of our examples will follow.

Subject is very adjective. Subject is very adjective.

This sentence structure is used to describe a subject by stating what subject is like.

First we have the subject, which is the thing or person being described.

This could be a noun phrase, a pronoun or a proper noun.

Next is S, which comes from the verb ser.

This verb means to be, and is used to describe essential qualities.

Then we have the adjective, which tell us something about the subject.

Optionally, we can add very, which means very, to emphasize the adjective.

Let's see how a line from the dialogue follows this pattern.

Well, this is very rapid.

Well, this one is very fast.

In this sentence,

this is the subject, meaning this one.

It is a demonstrative pronoun referring to something specific that has already been mentioned.

In the dialogue, it's the computer, computadora, a feminine singular noun. Thus, the

demonstrative pronoun esta will be feminine as well.

Es is the verb ser in the third person singular form meaning to be.

Muay is used for emphasis meaning very.

Rapida is the adjective meaning fast.

Since this refers to a feminine noun, Rapida also takes adjective meaning fast. Since this refers to a feminine noun,

Rapida also takes the feminine form.

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