{"id":272978,"date":"2026-07-20T03:01:55","date_gmt":"2026-07-20T08:01:55","guid":{"rendered":"https:\/\/langcom.org\/?p=272978"},"modified":"2026-07-20T03:01:55","modified_gmt":"2026-07-20T08:01:55","slug":"verb-be-present-simple-pre-a1-pre-a1","status":"publish","type":"post","link":"https:\/\/langcom.org\/es\/blog\/verb-be-present-simple-pre-a1-pre-a1\/","title":{"rendered":"Master Verb Be: Positive and Negative (Pre-A1 English Grammar)"},"content":{"rendered":"
El verbo be<\/span> is one of the most important verbs in English.<\/strong> It helps us talk about who someone is, what something is, where people or things are, and how they feel or look. In English, be<\/span> has three main forms in the present simple: am<\/span>, is<\/span>, y are<\/span>. Utilizamos am<\/span> con I<\/span>, is<\/span> con he<\/span>, she<\/span>, it<\/span> (singular subjects), and are<\/span> con you<\/span>, we<\/span>, they<\/span> (plural subjects). To make these negative, we simply add not<\/span> after the verb: am not<\/span>, is not<\/span>, are not<\/span>. Learning these forms is a key first step to speaking English.<\/div>\n

What is the Verb Be?<\/h2>\n

El verbo be<\/span> is very common in English. It helps you describe things and people. It also tells you where things are.<\/p>\n

Think of be<\/span> like “ser” and “estar” in Spanish. English uses only one verb for both ideas.<\/p>\n

\ud83c\udf93 Aprende ingl\u00e9s con el m\u00e9todo mixto<\/h3>

Grupos reducidos \u00b7 Tutor de IA disponible las 24 horas del d\u00eda, los 7 d\u00edas de la semana \u00b7 Preparaci\u00f3n para los ex\u00e1menes de Cambridge<\/p>

Planes de $<\/span>39<\/bdi><\/span><\/strong> $<\/span>79<\/bdi><\/span><\/s> al mes<\/p>Reserva tu clase<\/a><\/div>\n

How Do We Use Be in Positive Sentences?<\/h2>\n

El verbo be<\/span> changes its form depending on the subject. There are three forms for the present simple:<\/p>\n

    \n
  • Utilizamos am<\/span> con I<\/span>.\n
      \n
    • Ejemplo: I am happy.<\/span><\/li>\n<\/ul>\n<\/li>\n
    • Utilizamos is<\/span> con he<\/span>, she<\/span>, it<\/span>, and singular nouns (one person, one thing).\n
        \n
      • Ejemplo: He is a student.<\/span><\/li>\n
      • Ejemplo: It is cold.<\/span><\/li>\n<\/ul>\n<\/li>\n
      • Utilizamos are<\/span> con you<\/span>, we<\/span>, they<\/span>, and plural nouns (more than one person, more than one thing).\n
          \n
        • Ejemplo: You are kind.<\/span><\/li>\n
        • Ejemplo: They are friends.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

          How Do We Use Be in Negative Sentences?<\/h2>\n

          To make a sentence negative, we add not<\/span> after the verb be<\/span>.<\/p>\n

            \n
          • With I<\/span>: am not<\/span>\n
              \n
            • Ejemplo: I am not sad.<\/span><\/li>\n<\/ul>\n<\/li>\n
            • With he<\/span>, she<\/span>, it<\/span>: is not<\/span>\n
                \n
              • Ejemplo: She is not from Spain.<\/span><\/li>\n<\/ul>\n<\/li>\n
              • With you<\/span>, we<\/span>, they<\/span>: are not<\/span>\n
                  \n
                • Ejemplo: We are not tired.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                  What Are Contractions with Be?<\/h2>\n

                  In spoken English and informal writing, we often use contractions. Contractions are shorter forms of words.<\/p>\n

                    \n
                  • For positive sentences:\n
                      \n
                    • I am<\/span> se convierte en I'm<\/span> (p. ej., I'm a student.<\/span>)<\/li>\n
                    • He is<\/span> se convierte en He's<\/span> (p. ej., He's tall.<\/span>)<\/li>\n
                    • She is<\/span> se convierte en She's<\/span> (p. ej., She's my sister.<\/span>)<\/li>\n
                    • It is<\/span> se convierte en It's<\/span> (p. ej., It's sunny.<\/span>)<\/li>\n
                    • You are<\/span> se convierte en You're<\/span> (p. ej., You're welcome.<\/span>)<\/li>\n
                    • We are<\/span> se convierte en We're<\/span> (p. ej., We're friends.<\/span>)<\/li>\n
                    • They are<\/span> se convierte en They're<\/span> (p. ej., They're at home.<\/span>)<\/li>\n<\/ul>\n<\/li>\n
                    • For negative sentences:\n
                        \n
                      • I am not<\/span> se convierte en I'm not<\/span> (p. ej., I'm not hungry.<\/span>)<\/li>\n
                      • He is not<\/span> se convierte en He isn't<\/span> o He's not<\/span> (p. ej., He isn't here.<\/span> o He's not here.<\/span>)<\/li>\n
                      • She is not<\/span> se convierte en She isn't<\/span> o She's not<\/span><\/li>\n
                      • It is not<\/span> se convierte en It isn't<\/span> o It's not<\/span><\/li>\n
                      • You are not<\/span> se convierte en You aren't<\/span> o You're not<\/span> (p. ej., You aren't right.<\/span> o You're not right.<\/span>)<\/li>\n
                      • We are not<\/span> se convierte en We aren't<\/span> o We're not<\/span><\/li>\n
                      • They are not<\/span> se convierte en They aren't<\/span> o They're not<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                        When Do We Use the Verb Be?<\/h2>\n

                        Utilizamos be<\/span> for many things. Here are some common uses:<\/p>\n

                          \n
                        • To talk about identity or names:<\/strong>\n
                            \n
                          • I am Maria.<\/span><\/li>\n
                          • He is a doctor.<\/span><\/li>\n<\/ul>\n<\/li>\n
                          • To talk about age:<\/strong>\n
                              \n
                            • She is ten years old.<\/span><\/li>\n
                            • They are 25.<\/span><\/li>\n<\/ul>\n<\/li>\n
                            • To talk about feelings or descriptions:<\/strong>\n
                                \n
                              • We are happy.<\/span><\/li>\n
                              • It is a big house.<\/span><\/li>\n<\/ul>\n<\/li>\n
                              • To talk about location:<\/strong>\n
                                  \n
                                • You are at home.<\/span><\/li>\n
                                • The book is on the table.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n\n\n\n\n
                                  Present Simple Forms of Verb <span data-no-translation>Be<\/span><\/caption>\n
                                  Asunto<\/th>\nForma positiva<\/th>\nForma negativa<\/th>\nPositive Contraction<\/th>\nNegative Contraction<\/th>\n<\/tr>\n<\/thead>\n
                                  I<\/span><\/td>\nam<\/span><\/td>\nam not<\/span><\/td>\nI'm<\/span><\/td>\nI'm not<\/span><\/td>\n<\/tr>\n
                                  He \/ She \/ It<\/span><\/td>\nis<\/span><\/td>\nis not<\/span><\/td>\nHe's \/ She's \/ It's<\/span><\/td>\nisn't \/ He's not \/ She's not \/ It's not<\/span><\/td>\n<\/tr>\n
                                  You \/ We \/ They<\/span><\/td>\nare<\/span><\/td>\nare not<\/span><\/td>\nYou're \/ We're \/ They're<\/span><\/td>\naren't \/ You're not \/ We're not \/ They're not<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                  Ejemplos<\/h2>\n
                                    \n
                                  • I am a student.<\/span><\/li>\n
                                  • He is my brother.<\/span><\/li>\n
                                  • She is happy.<\/span><\/li>\n
                                  • It is a cat.<\/span><\/li>\n
                                  • You are tall.<\/span><\/li>\n
                                  • We are friends.<\/span><\/li>\n
                                  • They are in the park.<\/span><\/li>\n
                                  • I am not tired.<\/span><\/li>\n
                                  • He isn't here.<\/span><\/li>\n
                                  • They aren't sad.<\/span><\/li>\n<\/ul>\n

                                    Pr\u00e1ctica<\/h2>\n