{"id":147409,"date":"2025-09-18T12:35:27","date_gmt":"2025-09-18T12:35:27","guid":{"rendered":"https:\/\/www.supermemo.com\/?p=147409"},"modified":"2025-09-30T13:25:21","modified_gmt":"2025-09-30T13:25:21","slug":"to-be-or-not-to-be-las-bases-del-verbo-ser-estar-en-present-simple","status":"publish","type":"post","link":"https:\/\/stage.supermemo.com\/es\/blog\/to-be-or-not-to-be-las-bases-del-verbo-ser-estar-en-present-simple","title":{"rendered":"\u00abTo be, or not to be?\u00bb \u2013 las bases del verbo \u00abser\/estar\u00bb en Present Simple"},"content":{"rendered":"<div class=\"container\"><div class=\"row\"><div class=\"col-md-10 col-lg-9 col-xl-8 mx-auto\"><div class=\"entry-content\">\n<p><strong>El verbo <em>to be<\/em> es uno de los primeros elementos que aprende toda persona que estudia ingl\u00e9s. Sin \u00e9l es dif\u00edcil construir cualquier frase correcta. Es el que te permite decir qui\u00e9n eres, de d\u00f3nde vienes, a qu\u00e9 te dedicas y c\u00f3mo te sientes. Por eso dominarlo es fundamental: el aut\u00e9ntico \u00abser o no ser\u00bb en el idioma ingl\u00e9s.<\/strong><\/p>\n\n<p>En este art\u00edculo encontrar\u00e1s explicaciones claras, ejemplos y ejercicios breves. Conocer\u00e1s las tres formas b\u00e1sicas del verbo <em>to be<\/em> en Present Simple, aprender\u00e1s a usarlas en oraciones afirmativas, preguntas y oraciones negativas, y tambi\u00e9n descubrir\u00e1s cu\u00e1ndo emplear las formas completas y cu\u00e1ndo las formas contra\u00eddas.<\/p>\n\n<h2 class=\"wp-block-heading\">Tres caras de <em>to be<\/em> \u2013 am, is, are<\/h2>\n\n<p><em>To be<\/em> es un verbo irregular, lo que significa que no sigue las reglas t\u00edpicas de conjugaci\u00f3n. En el tiempo Present Simple adopta tres formas: <em>am, is<\/em> y <em>are<\/em>. Con ellas comienza la comunicaci\u00f3n correcta en el nivel b\u00e1sico.<\/p>\n\n<h3 class=\"wp-block-heading has-medium-font-size\">Oraciones afirmativas<\/h3>\n\n<p>Cuando queremos expresar un hecho, usamos las formas afirmativas. Aqu\u00ed tienes su cuadro b\u00e1sico:<\/p>\n\n<figure class=\"wp-block-table aligncenter\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Persona<\/th><th class=\"has-text-align-center\" data-align=\"center\">Forma completa<\/th><th class=\"has-text-align-center\" data-align=\"center\">Forma contra\u00edda<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">I<\/td><td class=\"has-text-align-center\" data-align=\"center\">I am<\/td><td class=\"has-text-align-center\" data-align=\"center\">I\u2019m<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">you<\/td><td class=\"has-text-align-center\" data-align=\"center\">you are<\/td><td class=\"has-text-align-center\" data-align=\"center\">you\u2019re<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">he<\/td><td class=\"has-text-align-center\" data-align=\"center\">he is<\/td><td class=\"has-text-align-center\" data-align=\"center\">he\u2019s<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">she<\/td><td class=\"has-text-align-center\" data-align=\"center\">she is<\/td><td class=\"has-text-align-center\" data-align=\"center\">she\u2019s<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">it<\/td><td class=\"has-text-align-center\" data-align=\"center\">it is<\/td><td class=\"has-text-align-center\" data-align=\"center\">it\u2019s<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">we<\/td><td class=\"has-text-align-center\" data-align=\"center\">we are<\/td><td class=\"has-text-align-center\" data-align=\"center\">we\u2019re<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">you<\/td><td class=\"has-text-align-center\" data-align=\"center\">you are<\/td><td class=\"has-text-align-center\" data-align=\"center\">you\u2019re<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">they<\/td><td class=\"has-text-align-center\" data-align=\"center\">they are<\/td><td class=\"has-text-align-center\" data-align=\"center\">they\u2019re<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p>Las formas completas (p. ej. <em>I am<\/em>) se utilizan con m\u00e1s frecuencia en la escritura y en situaciones formales. Las formas contra\u00eddas (<em>I\u2019m, you\u2019re<\/em>) predominan en el lenguaje hablado, porque suenan naturales y facilitan la comunicaci\u00f3n r\u00e1pida.<\/p>\n\n<p><strong>Ejemplos:<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>I am fine, thank you.<\/li>\n\n\n\n<li>My name is John.<\/li>\n\n\n\n<li>Alice and Mary Parker are sisters.<\/li>\n<\/ul>\n\n<p><strong>Ejercicio:<\/strong><br>Completa los espacios con la forma adecuada de <em>to be<\/em>:<\/p>\n\n<ol class=\"wp-block-list\">\n<li>I ___ Susan Parker.<\/li>\n\n\n\n<li>My husband John ___ forty-four.<\/li>\n\n\n\n<li>Our daughters ___ fourteen and ten.<\/li>\n<\/ol>\n\n<h3 class=\"wp-block-heading has-medium-font-size\">Preguntas<\/h3>\n\n<p>Formar preguntas con <em>to be<\/em> es especialmente sencillo: basta con invertir el sujeto y el verbo. Esto lo diferencia del polaco, donde a menudo se a\u00f1ade la palabra \u00abczy\u00bb.<\/p>\n\n<figure class=\"wp-block-table aligncenter\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Persona<\/th><th class=\"has-text-align-center\" data-align=\"center\">Pregunta<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">I<\/td><td class=\"has-text-align-center\" data-align=\"center\">Am I\u2026?<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">you<\/td><td class=\"has-text-align-center\" data-align=\"center\">Are you\u2026?<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">he\/she\/it<\/td><td class=\"has-text-align-center\" data-align=\"center\">Is he\/she\/it\u2026?<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">we\/you\/they<\/td><td class=\"has-text-align-center\" data-align=\"center\">Are we\/you\/they\u2026?<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p><strong>Ejemplos:<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>Are you Scottish, Mr Lewis?<\/li>\n\n\n\n<li>Where are you from?<\/li>\n\n\n\n<li>How old is John?<\/li>\n<\/ul>\n\n<p>A las preguntas se responde de manera breve: <em>Yes, I am.<\/em> \/ <em>No, I\u2019m not.<\/em><\/p>\n\n<p><strong>Ejercicio:<\/strong><br>Completa las preguntas:<\/p>\n\n<ol class=\"wp-block-list\">\n<li>How old ___ John Parker?<\/li>\n\n\n\n<li>How old ___ Alice and Mary?<\/li>\n<\/ol>\n\n<h3 class=\"wp-block-heading has-medium-font-size\">Negaciones<\/h3>\n\n<p>Para formar una negaci\u00f3n, basta con a\u00f1adir <em>not<\/em> a la forma correspondiente. Aqu\u00ed tambi\u00e9n tenemos versiones completas y contra\u00eddas:<\/p>\n\n<figure class=\"wp-block-table aligncenter\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Forma completa<\/th><th class=\"has-text-align-center\" data-align=\"center\">Forma contra\u00edda<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">I am not<\/td><td class=\"has-text-align-center\" data-align=\"center\">I\u2019m not<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">you are not<\/td><td class=\"has-text-align-center\" data-align=\"center\">you aren\u2019t<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">he is not<\/td><td class=\"has-text-align-center\" data-align=\"center\">he isn\u2019t<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">she is not<\/td><td class=\"has-text-align-center\" data-align=\"center\">she isn\u2019t<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">it is not<\/td><td class=\"has-text-align-center\" data-align=\"center\">it isn\u2019t<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">we are not<\/td><td class=\"has-text-align-center\" data-align=\"center\">we aren\u2019t<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">they are not<\/td><td class=\"has-text-align-center\" data-align=\"center\">they aren\u2019t<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p>Las formas contra\u00eddas (<em>isn\u2019t, aren\u2019t<\/em>) aparecen con mayor frecuencia en el habla. Las completas (<em>is not, are not<\/em>) se usan en textos formales o en situaciones en las que queremos dar m\u00e1s \u00e9nfasis.<\/p>\n\n<p><strong>Ejemplos:<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>No, I\u2019m not. I\u2019m English.<\/li>\n\n\n\n<li>John Parker isn\u2019t ten years old.<\/li>\n<\/ul>\n\n<p><strong>Ejercicio:<\/strong><br>Convierte las frases en negativas:<\/p>\n\n<ol class=\"wp-block-list\">\n<li>John Parker is ten years old. \u2192 John Parker ___ ten years old.<\/li>\n\n\n\n<li>John and Susan are children. \u2192 John and Susan ___ children.<\/li>\n<\/ol>\n\n<h2 class=\"wp-block-heading\">\u00bfPor qu\u00e9 es tan importante <em>to be<\/em>?<\/h2>\n\n<p><em>To be<\/em> abre la puerta a la comunicaci\u00f3n b\u00e1sica. Gracias a este verbo puedes dar tu edad, nacionalidad, profesi\u00f3n o describir a tu familia. Tambi\u00e9n es la base para estructuras m\u00e1s complejas, como el tiempo <em>Present Continuous<\/em> o la voz pasiva.<\/p>\n\n<p><strong>Ejemplos de uso:<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>Presentarse: <em>My name is John. I am forty-four.<\/em><\/li>\n\n\n\n<li>Nacionalidad: <em>Bob Lewis is English. He\u2019s from Manchester.<\/em><\/li>\n\n\n\n<li>Profesi\u00f3n: <em>She is an actress.<\/em><\/li>\n\n\n\n<li>Relaciones familiares: <em>Alice and Mary Parker are sisters.<\/em><\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Resumen<\/h2>\n\n<p>El verbo <em>to be<\/em> en <em>Present Simple<\/em> es el primer paso hacia una comunicaci\u00f3n fluida en ingl\u00e9s. Conviene recordar la diferencia entre las formas completas y las contra\u00eddas, as\u00ed como la regla de inversi\u00f3n en las preguntas. La pr\u00e1ctica regular, por ejemplo con la aplicaci\u00f3n SuperMemo y los materiales del curso y manual <em><a href=\"https:\/\/www.supermemo.com\/pl\/kursy\/angielski-a1-no-problem\">Angielski A1. No problem!<\/a><\/em>, har\u00e1 que el uso de <em>to be<\/em> se vuelva natural y autom\u00e1tico. <\/p>\n\n<p><strong>Respuestas a los ejercicios:<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>Afirmaciones: 1. am, 2. is, 3. are<\/li>\n\n\n\n<li>Preguntas: 1. is, 2. are<\/li>\n\n\n\n<li>Negaciones: 1. isn\u2019t, 2. aren\u2019t<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"El verbo to be es uno de los primeros elementos que aprende toda persona que estudia ingl\u00e9s. Sin \u00e9l es dif\u00edcil construir cualquier frase correcta. Es el que te permite decir qui\u00e9n eres, de d\u00f3nde vienes, a qu\u00e9 te dedicas y c\u00f3mo te sientes. Por eso dominarlo es fundamental: el aut\u00e9ntico \u00abser o no ser\u00bb en el idioma ingl\u00e9s.","protected":false},"author":14,"featured_media":146495,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1844,1832],"tags":[1759,2735,2734,2736],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00abTo be, or not to be?\u00bb \u2013 las bases del verbo \u00abser\/estar\u00bb en Present Simple - SuperMemo<\/title>\n<meta name=\"description\" content=\"Toda la informaci\u00f3n m\u00e1s importante sobre to be en el tiempo Present Simple en un solo lugar. 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