{"id":5161,"date":"2026-09-08T15:32:13","date_gmt":"2026-09-08T06:32:13","guid":{"rendered":"https:\/\/en.vietcafe-learning.com\/material\/?p=5161"},"modified":"2026-09-08T15:32:13","modified_gmt":"2026-09-08T06:32:13","slug":"grammar69","status":"publish","type":"post","link":"https:\/\/en.vietcafe-learning.com\/material\/grammar69\/","title":{"rendered":"Grammar 69: Expressions indicating an uncertain\/indefinite object (referent)"},"content":{"rendered":"<p data-pm-slice=\"1 1 []\">Expressions that refer to something without specifying a concrete object, such as &#8220;I want to eat something&#8221; or &#8220;I want to go somewhere,&#8221; are essential in everyday conversation. In Vietnamese, you can create these indefinite expressions by adding words like &#8220;n\u00e0o \u0111\u00f3&#8221; after interrogative words (G\u00ec, \u0110\u00e2u, Khi n\u00e0o, T\u1ea1i sao).<\/p>\n<h2><span style=\"color: #008000; font-size: 18pt;\"><strong>Usage 1: &#8220;C\u00e1i g\u00ec \u0111\u00f3 \/ Th\u1ee9 g\u00ec \u0111\u00f3&#8221; &#8211; Something<\/strong><\/span><\/h2>\n<p><span style=\"color: #ff00ff;\">[Explanation] By adding &#8220;\u0111\u00f3&#8221; (that) to &#8220;g\u00ec&#8221; (what), it takes on the meaning of &#8220;something&#8221; (an object or matter). It is used when the specific name is unknown or there is no need to mention it.<\/span><\/p>\n<div style=\"border: solid 4px #f5f5f5; border-radius: 10px; background-color: #f5f5f5; margin-bottom: 20px; padding: 20px 20px 5px 20px;\">\n<p><strong>Example Sentences:<\/strong><\/p>\n<p>\u2460 T\u00f4i mu\u1ed1n \u0103n <span style=\"color: #ff0000;\">c\u00e1i g\u00ec \u0111\u00f3<\/span> ng\u1ecdt.<br \/>\n\u2192 I want to eat something sweet.<\/p>\n<p>\u2461 H\u00ecnh nh\u01b0 c\u00f3 <span style=\"color: #ff0000;\">c\u00e1i g\u00ec \u0111\u00f3<\/span> sai sai.<br \/>\n\u2192 I feel like something is wrong.<\/p>\n<p>\u2462 B\u1ea1n \u0111ang t\u00ecm <span style=\"color: #ff0000;\">th\u1ee9<\/span> <span style=\"color: #ff0000;\">g\u00ec \u0111\u00f3<\/span> ph\u1ea3i kh\u00f4ng?<br \/>\n\u2192 Are you looking for something?<\/p>\n<\/div>\n<h2><span style=\"color: #008000; font-size: 18pt;\"><strong>Usage 2: &#8220;\u0110\u00e2u \u0111\u00f3&#8221; &#8211; Somewhere<\/strong><\/span><\/h2>\n<p><span style=\"color: #ff00ff;\">[Explanation] This uses &#8220;\u0111\u00e2u&#8221; (where) to indicate an unspecified place. It can refer not only to a physical location but also to an abstract point, such as &#8220;somewhere in the story.&#8221;<\/span><\/p>\n<div style=\"border: solid 4px #f5f5f5; border-radius: 10px; background-color: #f5f5f5; margin-bottom: 20px; padding: 20px 20px 5px 20px;\">\n<p><strong>Example Sentences:<\/strong><\/p>\n<p>\u2460 T\u00f4i \u0111\u00e3 \u0111\u1ec3 ch\u00eca kh\u00f3a \u1edf <span style=\"color: #ff0000;\">\u0111\u00e2u \u0111\u00f3<\/span> trong ph\u00f2ng.<br \/>\n\u2192 I left my keys somewhere in the room.<\/p>\n<p>\u2461 Cu\u1ed1i tu\u1ea7n n\u00e0y m\u00ecnh \u0111i <span style=\"color: #ff0000;\">\u0111\u00e2u \u0111\u00f3<\/span> ch\u01a1i \u0111i.<br \/>\n\u2192 Let&#8217;s go somewhere for fun this weekend.<\/p>\n<p>\u2462 T\u00f4i \u0111\u00e3 g\u1eb7p anh \u1ea5y \u1edf <span style=\"color: #ff0000;\">\u0111\u00e2u \u0111\u00f3<\/span> r\u1ed3i.<br \/>\n\u2192 I have met him somewhere before.<\/p>\n<\/div>\n<h2><span style=\"color: #008000; font-size: 18pt;\"><strong>Usage 3: &#8220;Khi n\u00e0o \u0111\u00f3 \/ L\u00fac n\u00e0o \u0111\u00f3&#8221; &#8211; Sometime<\/strong><\/span><\/h2>\n<p><span style=\"color: #ff00ff;\">[Explanation] Used to mean &#8220;sometime (in the future)&#8221; or &#8220;eventually.&#8221; It refers to a vague time and is convenient for making suggestions when a specific date hasn&#8217;t been set.<\/span><\/p>\n<div style=\"border: solid 4px #f5f5f5; border-radius: 10px; background-color: #f5f5f5; margin-bottom: 20px; padding: 20px 20px 5px 20px;\">\n<p><strong>Example Sentences:<\/strong><\/p>\n<p><span style=\"color: #ff0000;\"><span style=\"color: #000000;\">\u2460<\/span> L\u00fac n\u00e0o \u0111\u00f3<\/span> ch\u00fang m\u00ecnh c\u00f9ng \u0111i c\u00e0 ph\u00ea nh\u00e9.<br \/>\n\u2192 Let&#8217;s go grab a coffee sometime.<\/p>\n<p>\u2461 T\u00f4i s\u1ebd gh\u00e9 th\u0103m b\u1ea1n v\u00e0o <span style=\"color: #ff0000;\">m\u1ed9t ng\u00e0y n\u00e0o \u0111\u00f3<\/span>.<br \/>\n\u2192 I will visit you someday.<\/p>\n<p>\u2462 T\u00f4i s\u1ebd k\u1ec3 cho b\u1ea1n nghe v\u00e0o <span style=\"color: #ff0000;\">m\u1ed9t<\/span> <span style=\"color: #ff0000;\">l\u00fac n\u00e0o \u0111\u00f3<\/span>.<br \/>\n\u2192 I will tell you about it sometime.<\/p>\n<\/div>\n<h2><span style=\"color: #008000; font-size: 18pt;\"><strong>Usage 4: &#8220;T\u1ea1i sao \u0111\u00f3 \/ V\u00ec l\u00fd do n\u00e0o \u0111\u00f3&#8221; &#8211; For some reason<\/strong><\/span><\/h2>\n<p><span style=\"color: #ff00ff;\">[Explanation] This carries the nuance of &#8220;I don&#8217;t know why, but&#8230;&#8221; or &#8220;for some reason.&#8221; &#8220;T\u1ea1i sao \u0111\u00f3&#8221; is used, but in written text, the form &#8220;V\u00ec m\u1ed9t l\u00fd do n\u00e0o \u0111\u00f3&#8221; (For a certain reason) is also frequently preferred.<\/span><\/p>\n<div style=\"border: solid 4px #f5f5f5; border-radius: 10px; background-color: #f5f5f5; margin-bottom: 20px; padding: 20px 20px 5px 20px;\">\n<p><strong>Example Sentences:<\/strong><\/p>\n<p><span style=\"color: #ff0000;\"><span style=\"color: #000000;\">\u2460<\/span> T\u1ea1i sao \u0111\u00f3<\/span> m\u00e0 h\u00f4m nay t\u00f4i th\u1ea5y h\u01a1i bu\u1ed3n.<br \/>\n\u2192 For some reason, I feel a little sad today.<\/p>\n<p><span style=\"color: #ff0000;\"><span style=\"color: #000000;\">\u2461<\/span> V\u00ec l\u00fd do n\u00e0o \u0111\u00f3<\/span>, anh \u1ea5y \u0111\u00e3 kh\u00f4ng \u0111\u1ebfn d\u1ef1 ti\u1ec7c.<br \/>\n\u2192 For some reason, he didn&#8217;t come to the party.<\/p>\n<p><span style=\"color: #ff0000;\"><span style=\"color: #000000;\">\u2462<\/span> Kh\u00f4ng hi\u1ec3u sao<\/span> m\u00e1y t\u00ednh l\u1ea1i b\u1ecb h\u1ecfng.<br \/>\n\u2192 For some reason, my computer broke down. I don&#8217;t know why.<\/p>\n<\/div>\n<h3>Summary: Combinations of Interrogatives for Indefinite Expressions<\/h3>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<thead>\n<tr style=\"background-color: #eeeeee;\">\n<th style=\"width: 25%; padding: 10px; border: 1px solid #ddd;\">English<\/th>\n<th style=\"width: 35%; padding: 10px; border: 1px solid #ddd;\">Vietnamese<\/th>\n<th style=\"width: 40%; padding: 10px; border: 1px solid #ddd;\">Nuance<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>Something<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">C\u00e1i g\u00ec \u0111\u00f3 \/ Th\u1ee9 g\u00ec \u0111\u00f3<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Unspecified object or matter<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>Somewhere<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">\u0110\u00e2u \u0111\u00f3<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Unspecified place<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>Someone<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Ai \u0111\u00f3<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Unspecified person<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>Sometime<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">L\u00fac n\u00e0o \u0111\u00f3 \/ Khi n\u00e0o \u0111\u00f3<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Unspecified time<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n<!-- Quick Adsense WordPress Plugin: http:\/\/quickadsense.com\/ -->\n<div class=\"48ca9c5e36c0a9b058c8a5db336e8096\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<!-- VIETCAFE\u5e83\u544a2 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-4987689956940779\"\r\n     data-ad-slot=\"2300495280\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Expressions that refer to something without specifying a concrete object, such as &#8220;I want to eat something&#8221; or &#8220;I want to go somewhere,&#8221; are essential in everyday conversation. In Vietnamese,&#8230;<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[15],"tags":[],"_links":{"self":[{"href":"https:\/\/en.vietcafe-learning.com\/material\/wp-json\/wp\/v2\/posts\/5161"}],"collection":[{"href":"https:\/\/en.vietcafe-learning.com\/material\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/en.vietcafe-learning.com\/material\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/en.vietcafe-learning.com\/material\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/en.vietcafe-learning.com\/material\/wp-json\/wp\/v2\/comments?post=5161"}],"version-history":[{"count":1,"href":"https:\/\/en.vietcafe-learning.com\/material\/wp-json\/wp\/v2\/posts\/5161\/revisions"}],"predecessor-version":[{"id":5162,"href":"https:\/\/en.vietcafe-learning.com\/material\/wp-json\/wp\/v2\/posts\/5161\/revisions\/5162"}],"wp:attachment":[{"href":"https:\/\/en.vietcafe-learning.com\/material\/wp-json\/wp\/v2\/media?parent=5161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/en.vietcafe-learning.com\/material\/wp-json\/wp\/v2\/categories?post=5161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/en.vietcafe-learning.com\/material\/wp-json\/wp\/v2\/tags?post=5161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}