<h3>A period is used at the end of an imperative sentence.</h3>
Answer : Not at all.
Explanation: A period is used at the end of an imperative sentence except if it is an exclamation or a question. Then we should use an exclamation point or a question mark. Then a period is unnecessary.
In Spanish we have to use an exclamation point at the beginning of an imperative sentence and at the end of an imperative sentence. ¡ !
Hope this helps!
I'm pretty sure the answer is está because the subject is one thing/person that is not in the garage. I might be wrong though.