You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Estonian_language

Context:
The verbal system lacks a distinctive future tense (the present tense serves here) and features special forms to express an action performed by an undetermined subject (the "impersonal").

Question:
What is used in place of the future tense?

present tense